1640951520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 384

約数和(自身を含む): 6096384000

約数和(自身を除く): 4455432480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 31, 32, 34, 39, 40, 48, 51, 52, 60, 62, 65, 68, 78, 80, 85, 93, 96, 102, 104, 120, 124, 130, 136, 155, 156, 160, 170, 186, 195, 204, 208, 221, 240, 248, 255, 260, 272, 310, 312, 340, 372, 390, 403, 408, 416, 442, 465, 480, 496, 499, 510, 520, 527, 544, 620, 624, 663, 680, 744, 780, 806, 816, 884, 930, 992, 998, 1020, 1040, 1054, 1105, 1209, 1240, 1248, 1326, 1360, 1488, 1497, 1560, 1581, 1612, 1632, 1768, 1860, 1996, 2015, 2040, 2080, 2108, 2210, 2418, 2480, 2495, 2635, 2652, 2720, 2976, 2994, 3120, 3162, 3224, 3315, 3536, 3720, 3992, 4030, 4080, 4216, 4420, 4836, 4960, 4990, 5270, 5304, 5988, 6045, 6240, 6324, 6448, 6487, 6630, 6851, 7072, 7440, 7485, 7905, 7984, 8060, 8160, 8432, 8483, 8840, 9672, 9980, 10540, 10608, 11976, 12090, 12648, 12896, 12974, 13260, 13702, 14880, 14970, 15469, 15810, 15968, 16120, 16864, 16966, 17680, 19344, 19461, 19960, 20553, 21080, 21216, 23952, 24180, 25296, 25449, 25948, 26520, 27404, 29940, 30938, 31620, 32240, 32435, 33932, 34255, 35360, 38688, 38922, 39920, 41106, 42160, 42415, 46407, 47904, 48360, 50592, 50898, 51896, 53040, 54808, 59880, 61876, 63240, 64480, 64870, 67864, 68510, 77345, 77844, 79840, 82212, 84320, 84830, 92814, 96720, 97305, 101796, 102765, 103792, 106080, 109616, 110279, 119760, 123752, 126480, 127245, 129740, 135728, 137020, 154690, 155688, 164424, 169660, 185628, 193440, 194610, 201097, 203592, 205530, 207584, 219232, 220558, 232035, 239520, 247504, 252960, 254490, 259480, 262973, 271456, 274040, 309380, 311376, 328848, 330837, 339320, 371256, 389220, 402194, 407184, 411060, 441116, 464070, 495008, 508980, 518960, 525946, 548080, 551395, 603291, 618760, 622752, 657696, 661674, 678640, 742512, 778440, 788919, 804388, 814368, 822120, 882232, 928140, 1005485, 1017960, 1037920, 1051892, 1096160, 1102790, 1206582, 1237520, 1314865, 1323348, 1357280, 1485024, 1556880, 1577838, 1608776, 1644240, 1654185, 1764464, 1856280, 2010970, 2035920, 2103784, 2205580, 2413164, 2475040, 2629730, 2646696, 3016455, 3113760, 3155676, 3217552, 3288480, 3308370, 3418649, 3528928, 3712560, 3944595, 4021940, 4071840, 4207568, 4411160, 4826328, 5259460, 5293392, 6032910, 6311352, 6435104, 6616740, 6837298, 7425120, 7889190, 8043880, 8415136, 8822320, 9652656, 10255947, 10518920, 10586784, 12065820, 12622704, 13233480, 13674596, 15778380, 16087760, 17093245, 17644640, 19305312, 20511894, 21037840, 24131640, 25245408, 26466960, 27349192, 31556760, 32175520, 34186490, 41023788, 42075680, 48263280, 51279735, 52933920, 54698384, 63113520, 68372980, 82047576, 96526560, 102559470, 109396768, 126227040, 136745960, 164095152, 205118940, 273491920, 328190304, 410237880, 546983840, 820475760, 1640951520]

約数ペア:

[(1, 1640951520), (2, 820475760), (3, 546983840), (4, 410237880), (5, 328190304), (6, 273491920), (8, 205118940), (10, 164095152), (12, 136745960), (13, 126227040), (15, 109396768), (16, 102559470), (17, 96526560), (20, 82047576), (24, 68372980), (26, 63113520), (30, 54698384), (31, 52933920), (32, 51279735), (34, 48263280), (39, 42075680), (40, 41023788), (48, 34186490), (51, 32175520), (52, 31556760), (60, 27349192), (62, 26466960), (65, 25245408), (68, 24131640), (78, 21037840), (80, 20511894), (85, 19305312), (93, 17644640), (96, 17093245), (102, 16087760), (104, 15778380), (120, 13674596), (124, 13233480), (130, 12622704), (136, 12065820), (155, 10586784), (156, 10518920), (160, 10255947), (170, 9652656), (186, 8822320), (195, 8415136), (204, 8043880), (208, 7889190), (221, 7425120), (240, 6837298), (248, 6616740), (255, 6435104), (260, 6311352), (272, 6032910), (310, 5293392), (312, 5259460), (340, 4826328), (372, 4411160), (390, 4207568), (403, 4071840), (408, 4021940), (416, 3944595), (442, 3712560), (465, 3528928), (480, 3418649), (496, 3308370), (499, 3288480), (510, 3217552), (520, 3155676), (527, 3113760), (544, 3016455), (620, 2646696), (624, 2629730), (663, 2475040), (680, 2413164), (744, 2205580), (780, 2103784), (806, 2035920), (816, 2010970), (884, 1856280), (930, 1764464), (992, 1654185), (998, 1644240), (1020, 1608776), (1040, 1577838), (1054, 1556880), (1105, 1485024), (1209, 1357280), (1240, 1323348), (1248, 1314865), (1326, 1237520), (1360, 1206582), (1488, 1102790), (1497, 1096160), (1560, 1051892), (1581, 1037920), (1612, 1017960), (1632, 1005485), (1768, 928140), (1860, 882232), (1996, 822120), (2015, 814368), (2040, 804388), (2080, 788919), (2108, 778440), (2210, 742512), (2418, 678640), (2480, 661674), (2495, 657696), (2635, 622752), (2652, 618760), (2720, 603291), (2976, 551395), (2994, 548080), (3120, 525946), (3162, 518960), (3224, 508980), (3315, 495008), (3536, 464070), (3720, 441116), (3992, 411060), (4030, 407184), (4080, 402194), (4216, 389220), (4420, 371256), (4836, 339320), (4960, 330837), (4990, 328848), (5270, 311376), (5304, 309380), (5988, 274040), (6045, 271456), (6240, 262973), (6324, 259480), (6448, 254490), (6487, 252960), (6630, 247504), (6851, 239520), (7072, 232035), (7440, 220558), (7485, 219232), (7905, 207584), (7984, 205530), (8060, 203592), (8160, 201097), (8432, 194610), (8483, 193440), (8840, 185628), (9672, 169660), (9980, 164424), (10540, 155688), (10608, 154690), (11976, 137020), (12090, 135728), (12648, 129740), (12896, 127245), (12974, 126480), (13260, 123752), (13702, 119760), (14880, 110279), (14970, 109616), (15469, 106080), (15810, 103792), (15968, 102765), (16120, 101796), (16864, 97305), (16966, 96720), (17680, 92814), (19344, 84830), (19461, 84320), (19960, 82212), (20553, 79840), (21080, 77844), (21216, 77345), (23952, 68510), (24180, 67864), (25296, 64870), (25449, 64480), (25948, 63240), (26520, 61876), (27404, 59880), (29940, 54808), (30938, 53040), (31620, 51896), (32240, 50898), (32435, 50592), (33932, 48360), (34255, 47904), (35360, 46407), (38688, 42415), (38922, 42160), (39920, 41106)]