261691560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 384

約数和(自身を含む): 1009008000

約数和(自身を除く): 747316440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 90, 95, 104, 108, 109, 114, 117, 120, 130, 135, 152, 156, 162, 171, 180, 190, 195, 216, 218, 228, 234, 243, 247, 260, 270, 285, 312, 324, 327, 342, 351, 360, 380, 390, 405, 436, 456, 468, 486, 494, 513, 520, 540, 545, 570, 585, 648, 654, 684, 702, 741, 760, 780, 810, 855, 872, 936, 972, 981, 988, 1026, 1053, 1080, 1090, 1140, 1170, 1215, 1235, 1308, 1368, 1404, 1417, 1482, 1539, 1560, 1620, 1635, 1710, 1755, 1944, 1962, 1976, 2052, 2071, 2106, 2180, 2223, 2280, 2340, 2430, 2470, 2565, 2616, 2808, 2834, 2943, 2964, 3078, 3159, 3240, 3270, 3420, 3510, 3705, 3924, 4104, 4142, 4212, 4251, 4360, 4446, 4617, 4680, 4860, 4905, 4940, 5130, 5265, 5668, 5886, 5928, 6156, 6213, 6318, 6540, 6669, 6840, 7020, 7085, 7410, 7695, 7848, 8284, 8424, 8502, 8829, 8892, 9234, 9720, 9810, 9880, 10260, 10355, 10530, 11115, 11336, 11772, 12312, 12426, 12636, 12753, 13080, 13338, 14040, 14170, 14715, 14820, 15390, 15795, 16568, 17004, 17658, 17784, 18468, 18639, 19620, 20007, 20520, 20710, 21060, 21255, 22230, 23085, 23544, 24852, 25272, 25506, 26487, 26676, 26923, 28340, 29430, 29640, 30780, 31065, 31590, 33345, 34008, 35316, 36936, 37278, 38259, 39240, 40014, 41420, 42120, 42510, 44145, 44460, 46170, 49704, 51012, 52974, 53352, 53846, 55917, 56680, 58860, 60021, 61560, 62130, 63180, 63765, 66690, 70632, 74556, 76518, 80028, 80769, 82840, 85020, 88290, 88920, 92340, 93195, 100035, 102024, 105948, 107692, 111834, 114777, 117720, 120042, 124260, 126360, 127530, 132435, 133380, 134615, 149112, 153036, 160056, 161538, 167751, 170040, 176580, 184680, 186390, 191295, 200070, 211896, 215384, 223668, 229554, 240084, 242307, 248520, 255060, 264870, 266760, 269230, 279585, 300105, 306072, 323076, 335502, 344331, 353160, 372780, 382590, 400140, 403845, 447336, 459108, 480168, 484614, 503253, 510120, 529740, 538460, 559170, 573885, 600210, 646152, 671004, 688662, 726921, 745560, 765180, 800280, 807690, 838755, 918216, 969228, 1006506, 1059480, 1076920, 1118340, 1147770, 1200420, 1211535, 1342008, 1377324, 1453842, 1530360, 1615380, 1677510, 1721655, 1938456, 2013012, 2180763, 2236680, 2295540, 2400840, 2423070, 2516265, 2754648, 2907684, 3230760, 3355020, 3443310, 3634605, 4026024, 4361526, 4591080, 4846140, 5032530, 5815368, 6542289, 6710040, 6886620, 7269210, 8723052, 9692280, 10065060, 10903815, 13084578, 13773240, 14538420, 17446104, 20130120, 21807630, 26169156, 29076840, 32711445, 43615260, 52338312, 65422890, 87230520, 130845780, 261691560]

約数ペア:

[(1, 261691560), (2, 130845780), (3, 87230520), (4, 65422890), (5, 52338312), (6, 43615260), (8, 32711445), (9, 29076840), (10, 26169156), (12, 21807630), (13, 20130120), (15, 17446104), (18, 14538420), (19, 13773240), (20, 13084578), (24, 10903815), (26, 10065060), (27, 9692280), (30, 8723052), (36, 7269210), (38, 6886620), (39, 6710040), (40, 6542289), (45, 5815368), (52, 5032530), (54, 4846140), (57, 4591080), (60, 4361526), (65, 4026024), (72, 3634605), (76, 3443310), (78, 3355020), (81, 3230760), (90, 2907684), (95, 2754648), (104, 2516265), (108, 2423070), (109, 2400840), (114, 2295540), (117, 2236680), (120, 2180763), (130, 2013012), (135, 1938456), (152, 1721655), (156, 1677510), (162, 1615380), (171, 1530360), (180, 1453842), (190, 1377324), (195, 1342008), (216, 1211535), (218, 1200420), (228, 1147770), (234, 1118340), (243, 1076920), (247, 1059480), (260, 1006506), (270, 969228), (285, 918216), (312, 838755), (324, 807690), (327, 800280), (342, 765180), (351, 745560), (360, 726921), (380, 688662), (390, 671004), (405, 646152), (436, 600210), (456, 573885), (468, 559170), (486, 538460), (494, 529740), (513, 510120), (520, 503253), (540, 484614), (545, 480168), (570, 459108), (585, 447336), (648, 403845), (654, 400140), (684, 382590), (702, 372780), (741, 353160), (760, 344331), (780, 335502), (810, 323076), (855, 306072), (872, 300105), (936, 279585), (972, 269230), (981, 266760), (988, 264870), (1026, 255060), (1053, 248520), (1080, 242307), (1090, 240084), (1140, 229554), (1170, 223668), (1215, 215384), (1235, 211896), (1308, 200070), (1368, 191295), (1404, 186390), (1417, 184680), (1482, 176580), (1539, 170040), (1560, 167751), (1620, 161538), (1635, 160056), (1710, 153036), (1755, 149112), (1944, 134615), (1962, 133380), (1976, 132435), (2052, 127530), (2071, 126360), (2106, 124260), (2180, 120042), (2223, 117720), (2280, 114777), (2340, 111834), (2430, 107692), (2470, 105948), (2565, 102024), (2616, 100035), (2808, 93195), (2834, 92340), (2943, 88920), (2964, 88290), (3078, 85020), (3159, 82840), (3240, 80769), (3270, 80028), (3420, 76518), (3510, 74556), (3705, 70632), (3924, 66690), (4104, 63765), (4142, 63180), (4212, 62130), (4251, 61560), (4360, 60021), (4446, 58860), (4617, 56680), (4680, 55917), (4860, 53846), (4905, 53352), (4940, 52974), (5130, 51012), (5265, 49704), (5668, 46170), (5886, 44460), (5928, 44145), (6156, 42510), (6213, 42120), (6318, 41420), (6540, 40014), (6669, 39240), (6840, 38259), (7020, 37278), (7085, 36936), (7410, 35316), (7695, 34008), (7848, 33345), (8284, 31590), (8424, 31065), (8502, 30780), (8829, 29640), (8892, 29430), (9234, 28340), (9720, 26923), (9810, 26676), (9880, 26487), (10260, 25506), (10355, 25272), (10530, 24852), (11115, 23544), (11336, 23085), (11772, 22230), (12312, 21255), (12426, 21060), (12636, 20710), (12753, 20520), (13080, 20007), (13338, 19620), (14040, 18639), (14170, 18468), (14715, 17784), (14820, 17658), (15390, 17004), (15795, 16568)]