8558340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 28957824

約数和(自身を除く): 20399484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 71, 82, 84, 98, 105, 123, 140, 142, 147, 164, 196, 205, 210, 213, 245, 246, 284, 287, 294, 355, 410, 420, 426, 490, 492, 497, 574, 588, 615, 710, 735, 820, 852, 861, 980, 994, 1065, 1148, 1230, 1420, 1435, 1470, 1491, 1722, 1988, 2009, 2130, 2460, 2485, 2870, 2911, 2940, 2982, 3444, 3479, 4018, 4260, 4305, 4970, 5740, 5822, 5964, 6027, 6958, 7455, 8036, 8610, 8733, 9940, 10045, 10437, 11644, 12054, 13916, 14555, 14910, 17220, 17395, 17466, 20090, 20377, 20874, 24108, 29110, 29820, 30135, 34790, 34932, 40180, 40754, 41748, 43665, 52185, 58220, 60270, 61131, 69580, 81508, 87330, 101885, 104370, 120540, 122262, 142639, 174660, 203770, 208740, 244524, 285278, 305655, 407540, 427917, 570556, 611310, 713195, 855834, 1222620, 1426390, 1711668, 2139585, 2852780, 4279170, 8558340]

約数ペア:

[(1, 8558340), (2, 4279170), (3, 2852780), (4, 2139585), (5, 1711668), (6, 1426390), (7, 1222620), (10, 855834), (12, 713195), (14, 611310), (15, 570556), (20, 427917), (21, 407540), (28, 305655), (30, 285278), (35, 244524), (41, 208740), (42, 203770), (49, 174660), (60, 142639), (70, 122262), (71, 120540), (82, 104370), (84, 101885), (98, 87330), (105, 81508), (123, 69580), (140, 61131), (142, 60270), (147, 58220), (164, 52185), (196, 43665), (205, 41748), (210, 40754), (213, 40180), (245, 34932), (246, 34790), (284, 30135), (287, 29820), (294, 29110), (355, 24108), (410, 20874), (420, 20377), (426, 20090), (490, 17466), (492, 17395), (497, 17220), (574, 14910), (588, 14555), (615, 13916), (710, 12054), (735, 11644), (820, 10437), (852, 10045), (861, 9940), (980, 8733), (994, 8610), (1065, 8036), (1148, 7455), (1230, 6958), (1420, 6027), (1435, 5964), (1470, 5822), (1491, 5740), (1722, 4970), (1988, 4305), (2009, 4260), (2130, 4018), (2460, 3479), (2485, 3444), (2870, 2982), (2911, 2940)]