260002080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 576

約数和(自身を含む): 1089728640

約数和(自身を除く): 829726560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 24, 26, 30, 32, 34, 36, 38, 39, 40, 43, 45, 48, 51, 52, 57, 60, 65, 68, 72, 76, 78, 80, 85, 86, 90, 95, 96, 102, 104, 114, 117, 120, 129, 130, 136, 144, 152, 153, 156, 160, 170, 171, 172, 180, 190, 195, 204, 208, 215, 221, 228, 234, 240, 247, 255, 258, 260, 272, 285, 288, 304, 306, 312, 323, 340, 342, 344, 360, 380, 387, 390, 408, 416, 430, 442, 456, 468, 480, 494, 510, 516, 520, 544, 559, 570, 585, 608, 612, 624, 645, 646, 663, 680, 684, 688, 720, 731, 741, 760, 765, 774, 780, 816, 817, 855, 860, 884, 912, 936, 969, 988, 1020, 1032, 1040, 1105, 1118, 1140, 1170, 1224, 1235, 1248, 1290, 1292, 1326, 1360, 1368, 1376, 1440, 1462, 1482, 1520, 1530, 1548, 1560, 1615, 1632, 1634, 1677, 1710, 1720, 1768, 1824, 1872, 1935, 1938, 1976, 1989, 2040, 2064, 2080, 2193, 2210, 2223, 2236, 2280, 2340, 2448, 2451, 2470, 2580, 2584, 2652, 2720, 2736, 2795, 2907, 2924, 2964, 3040, 3060, 3096, 3120, 3230, 3268, 3315, 3354, 3420, 3440, 3536, 3655, 3705, 3744, 3870, 3876, 3952, 3978, 4080, 4085, 4128, 4199, 4386, 4420, 4446, 4472, 4560, 4680, 4845, 4896, 4902, 4940, 5031, 5160, 5168, 5304, 5472, 5590, 5814, 5848, 5928, 6120, 6192, 6240, 6460, 6536, 6579, 6630, 6708, 6840, 6880, 7072, 7310, 7353, 7410, 7740, 7752, 7904, 7956, 8160, 8170, 8385, 8398, 8772, 8840, 8892, 8944, 9120, 9360, 9503, 9690, 9804, 9880, 9945, 10062, 10320, 10336, 10608, 10621, 10965, 11115, 11180, 11628, 11696, 11856, 12240, 12255, 12384, 12597, 12920, 13072, 13158, 13260, 13416, 13680, 13889, 14535, 14620, 14706, 14820, 15480, 15504, 15912, 16340, 16770, 16796, 17544, 17680, 17784, 17888, 18720, 19006, 19380, 19608, 19760, 19890, 20124, 20640, 20995, 21216, 21242, 21930, 22230, 22360, 23256, 23392, 23712, 24480, 24510, 25155, 25194, 25840, 26144, 26316, 26520, 26832, 27360, 27778, 28509, 29070, 29240, 29412, 29640, 30960, 31008, 31824, 31863, 32680, 32895, 33540, 33592, 35088, 35360, 35568, 36765, 37791, 38012, 38760, 39216, 39520, 39780, 40248, 41667, 41990, 42484, 43860, 44460, 44720, 46512, 47515, 49020, 50310, 50388, 51680, 52632, 53040, 53105, 53664, 55556, 57018, 58140, 58480, 58824, 59280, 61920, 62985, 63648, 63726, 65360, 65790, 67080, 67184, 69445, 70176, 71136, 73530, 75582, 76024, 77520, 78432, 79560, 80496, 83334, 83980, 84968, 85527, 87720, 88920, 89440, 93024, 95030, 95589, 98040, 100620, 100776, 105264, 106080, 106210, 111112, 114036, 116280, 116960, 117648, 118560, 125001, 125970, 127452, 130720, 131580, 134160, 134368, 138890, 142545, 147060, 151164, 152048, 155040, 159120, 159315, 160992, 166668, 167960, 169936, 171054, 175440, 177840, 180557, 188955, 190060, 191178, 196080, 201240, 201552, 208335, 210528, 212420, 222224, 228072, 232560, 235296, 250002, 251940, 254904, 263160, 268320, 277780, 285090, 294120, 302328, 304096, 318240, 318630, 333336, 335920, 339872, 342108, 350880, 355680, 361114, 377910, 380120, 382356, 392160, 402480, 403104, 416670, 424840, 427635, 444448, 456144, 465120, 477945, 500004, 503880, 509808, 526320, 541671, 555560, 570180, 588240, 604656, 625005, 637260, 666672, 671840, 684216, 722228, 755820, 760240, 764712, 804960, 833340, 849680, 855270, 902785, 912288, 955890, 1000008, 1007760, 1019616, 1052640, 1083342, 1111120, 1140360, 1176480, 1209312, 1250010, 1274520, 1333344, 1368432, 1444456, 1511640, 1520480, 1529424, 1625013, 1666680, 1699360, 1710540, 1805570, 1911780, 2000016, 2015520, 2166684, 2222240, 2280720, 2500020, 2549040, 2708355, 2736864, 2888912, 3023280, 3058848, 3250026, 3333360, 3421080, 3611140, 3823560, 4000032, 4333368, 4561440, 5000040, 5098080, 5416710, 5777824, 6046560, 6500052, 6666720, 6842160, 7222280, 7647120, 8125065, 8666736, 10000080, 10833420, 13000104, 13684320, 14444560, 15294240, 16250130, 17333472, 20000160, 21666840, 26000208, 28889120, 32500260, 43333680, 52000416, 65000520, 86667360, 130001040, 260002080]

約数ペア:

[(1, 260002080), (2, 130001040), (3, 86667360), (4, 65000520), (5, 52000416), (6, 43333680), (8, 32500260), (9, 28889120), (10, 26000208), (12, 21666840), (13, 20000160), (15, 17333472), (16, 16250130), (17, 15294240), (18, 14444560), (19, 13684320), (20, 13000104), (24, 10833420), (26, 10000080), (30, 8666736), (32, 8125065), (34, 7647120), (36, 7222280), (38, 6842160), (39, 6666720), (40, 6500052), (43, 6046560), (45, 5777824), (48, 5416710), (51, 5098080), (52, 5000040), (57, 4561440), (60, 4333368), (65, 4000032), (68, 3823560), (72, 3611140), (76, 3421080), (78, 3333360), (80, 3250026), (85, 3058848), (86, 3023280), (90, 2888912), (95, 2736864), (96, 2708355), (102, 2549040), (104, 2500020), (114, 2280720), (117, 2222240), (120, 2166684), (129, 2015520), (130, 2000016), (136, 1911780), (144, 1805570), (152, 1710540), (153, 1699360), (156, 1666680), (160, 1625013), (170, 1529424), (171, 1520480), (172, 1511640), (180, 1444456), (190, 1368432), (195, 1333344), (204, 1274520), (208, 1250010), (215, 1209312), (221, 1176480), (228, 1140360), (234, 1111120), (240, 1083342), (247, 1052640), (255, 1019616), (258, 1007760), (260, 1000008), (272, 955890), (285, 912288), (288, 902785), (304, 855270), (306, 849680), (312, 833340), (323, 804960), (340, 764712), (342, 760240), (344, 755820), (360, 722228), (380, 684216), (387, 671840), (390, 666672), (408, 637260), (416, 625005), (430, 604656), (442, 588240), (456, 570180), (468, 555560), (480, 541671), (494, 526320), (510, 509808), (516, 503880), (520, 500004), (544, 477945), (559, 465120), (570, 456144), (585, 444448), (608, 427635), (612, 424840), (624, 416670), (645, 403104), (646, 402480), (663, 392160), (680, 382356), (684, 380120), (688, 377910), (720, 361114), (731, 355680), (741, 350880), (760, 342108), (765, 339872), (774, 335920), (780, 333336), (816, 318630), (817, 318240), (855, 304096), (860, 302328), (884, 294120), (912, 285090), (936, 277780), (969, 268320), (988, 263160), (1020, 254904), (1032, 251940), (1040, 250002), (1105, 235296), (1118, 232560), (1140, 228072), (1170, 222224), (1224, 212420), (1235, 210528), (1248, 208335), (1290, 201552), (1292, 201240), (1326, 196080), (1360, 191178), (1368, 190060), (1376, 188955), (1440, 180557), (1462, 177840), (1482, 175440), (1520, 171054), (1530, 169936), (1548, 167960), (1560, 166668), (1615, 160992), (1632, 159315), (1634, 159120), (1677, 155040), (1710, 152048), (1720, 151164), (1768, 147060), (1824, 142545), (1872, 138890), (1935, 134368), (1938, 134160), (1976, 131580), (1989, 130720), (2040, 127452), (2064, 125970), (2080, 125001), (2193, 118560), (2210, 117648), (2223, 116960), (2236, 116280), (2280, 114036), (2340, 111112), (2448, 106210), (2451, 106080), (2470, 105264), (2580, 100776), (2584, 100620), (2652, 98040), (2720, 95589), (2736, 95030), (2795, 93024), (2907, 89440), (2924, 88920), (2964, 87720), (3040, 85527), (3060, 84968), (3096, 83980), (3120, 83334), (3230, 80496), (3268, 79560), (3315, 78432), (3354, 77520), (3420, 76024), (3440, 75582), (3536, 73530), (3655, 71136), (3705, 70176), (3744, 69445), (3870, 67184), (3876, 67080), (3952, 65790), (3978, 65360), (4080, 63726), (4085, 63648), (4128, 62985), (4199, 61920), (4386, 59280), (4420, 58824), (4446, 58480), (4472, 58140), (4560, 57018), (4680, 55556), (4845, 53664), (4896, 53105), (4902, 53040), (4940, 52632), (5031, 51680), (5160, 50388), (5168, 50310), (5304, 49020), (5472, 47515), (5590, 46512), (5814, 44720), (5848, 44460), (5928, 43860), (6120, 42484), (6192, 41990), (6240, 41667), (6460, 40248), (6536, 39780), (6579, 39520), (6630, 39216), (6708, 38760), (6840, 38012), (6880, 37791), (7072, 36765), (7310, 35568), (7353, 35360), (7410, 35088), (7740, 33592), (7752, 33540), (7904, 32895), (7956, 32680), (8160, 31863), (8170, 31824), (8385, 31008), (8398, 30960), (8772, 29640), (8840, 29412), (8892, 29240), (8944, 29070), (9120, 28509), (9360, 27778), (9503, 27360), (9690, 26832), (9804, 26520), (9880, 26316), (9945, 26144), (10062, 25840), (10320, 25194), (10336, 25155), (10608, 24510), (10621, 24480), (10965, 23712), (11115, 23392), (11180, 23256), (11628, 22360), (11696, 22230), (11856, 21930), (12240, 21242), (12255, 21216), (12384, 20995), (12597, 20640), (12920, 20124), (13072, 19890), (13158, 19760), (13260, 19608), (13416, 19380), (13680, 19006), (13889, 18720), (14535, 17888), (14620, 17784), (14706, 17680), (14820, 17544), (15480, 16796), (15504, 16770), (15912, 16340)]