68504940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{863}}^1$

素因数の和:898

約数の個数: 180

約数和(自身を含む): 250278336

約数和(自身を除く): 181773396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 863, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1726, 1764, 1890, 2205, 2268, 2589, 2646, 2835, 2940, 3452, 3780, 3969, 4315, 4410, 5178, 5292, 5670, 6041, 6615, 7767, 7938, 8630, 8820, 10356, 11340, 12082, 12945, 13230, 15534, 15876, 17260, 18123, 19845, 23301, 24164, 25890, 26460, 30205, 31068, 36246, 38835, 39690, 42287, 46602, 51780, 54369, 60410, 69903, 72492, 77670, 79380, 84574, 90615, 93204, 108738, 116505, 120820, 126861, 139806, 155340, 163107, 169148, 181230, 211435, 217476, 233010, 253722, 271845, 279612, 326214, 349515, 362460, 380583, 422870, 466020, 489321, 507444, 543690, 634305, 652428, 699030, 761166, 815535, 845740, 978642, 1087380, 1141749, 1268610, 1398060, 1522332, 1631070, 1902915, 1957284, 2283498, 2446605, 2537220, 3262140, 3425247, 3805830, 4566996, 4893210, 5708745, 6850494, 7611660, 9786420, 11417490, 13700988, 17126235, 22834980, 34252470, 68504940]

約数ペア:

[(1, 68504940), (2, 34252470), (3, 22834980), (4, 17126235), (5, 13700988), (6, 11417490), (7, 9786420), (9, 7611660), (10, 6850494), (12, 5708745), (14, 4893210), (15, 4566996), (18, 3805830), (20, 3425247), (21, 3262140), (27, 2537220), (28, 2446605), (30, 2283498), (35, 1957284), (36, 1902915), (42, 1631070), (45, 1522332), (49, 1398060), (54, 1268610), (60, 1141749), (63, 1087380), (70, 978642), (81, 845740), (84, 815535), (90, 761166), (98, 699030), (105, 652428), (108, 634305), (126, 543690), (135, 507444), (140, 489321), (147, 466020), (162, 422870), (180, 380583), (189, 362460), (196, 349515), (210, 326214), (245, 279612), (252, 271845), (270, 253722), (294, 233010), (315, 217476), (324, 211435), (378, 181230), (405, 169148), (420, 163107), (441, 155340), (490, 139806), (540, 126861), (567, 120820), (588, 116505), (630, 108738), (735, 93204), (756, 90615), (810, 84574), (863, 79380), (882, 77670), (945, 72492), (980, 69903), (1134, 60410), (1260, 54369), (1323, 51780), (1470, 46602), (1620, 42287), (1726, 39690), (1764, 38835), (1890, 36246), (2205, 31068), (2268, 30205), (2589, 26460), (2646, 25890), (2835, 24164), (2940, 23301), (3452, 19845), (3780, 18123), (3969, 17260), (4315, 15876), (4410, 15534), (5178, 13230), (5292, 12945), (5670, 12082), (6041, 11340), (6615, 10356), (7767, 8820), (7938, 8630)]