1222620

素因数分解:

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

素因数の和:131

約数の個数: 96

約数和(自身を含む): 4064256

約数和(自身を除く): 2841636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 71, 82, 84, 105, 123, 140, 142, 164, 205, 210, 213, 246, 284, 287, 355, 410, 420, 426, 492, 497, 574, 615, 710, 820, 852, 861, 994, 1065, 1148, 1230, 1420, 1435, 1491, 1722, 1988, 2130, 2460, 2485, 2870, 2911, 2982, 3444, 4260, 4305, 4970, 5740, 5822, 5964, 7455, 8610, 8733, 9940, 11644, 14555, 14910, 17220, 17466, 20377, 29110, 29820, 34932, 40754, 43665, 58220, 61131, 81508, 87330, 101885, 122262, 174660, 203770, 244524, 305655, 407540, 611310, 1222620]

約数ペア:

[(1, 1222620), (2, 611310), (3, 407540), (4, 305655), (5, 244524), (6, 203770), (7, 174660), (10, 122262), (12, 101885), (14, 87330), (15, 81508), (20, 61131), (21, 58220), (28, 43665), (30, 40754), (35, 34932), (41, 29820), (42, 29110), (60, 20377), (70, 17466), (71, 17220), (82, 14910), (84, 14555), (105, 11644), (123, 9940), (140, 8733), (142, 8610), (164, 7455), (205, 5964), (210, 5822), (213, 5740), (246, 4970), (284, 4305), (287, 4260), (355, 3444), (410, 2982), (420, 2911), (426, 2870), (492, 2485), (497, 2460), (574, 2130), (615, 1988), (710, 1722), (820, 1491), (852, 1435), (861, 1420), (994, 1230), (1065, 1148)]