864780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 2903040

約数和(自身を除く): 2038260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 71, 84, 87, 105, 116, 140, 142, 145, 174, 203, 210, 213, 284, 290, 348, 355, 406, 420, 426, 435, 497, 580, 609, 710, 812, 852, 870, 994, 1015, 1065, 1218, 1420, 1491, 1740, 1988, 2030, 2059, 2130, 2436, 2485, 2982, 3045, 4060, 4118, 4260, 4970, 5964, 6090, 6177, 7455, 8236, 9940, 10295, 12180, 12354, 14413, 14910, 20590, 24708, 28826, 29820, 30885, 41180, 43239, 57652, 61770, 72065, 86478, 123540, 144130, 172956, 216195, 288260, 432390, 864780]

約数ペア:

[(1, 864780), (2, 432390), (3, 288260), (4, 216195), (5, 172956), (6, 144130), (7, 123540), (10, 86478), (12, 72065), (14, 61770), (15, 57652), (20, 43239), (21, 41180), (28, 30885), (29, 29820), (30, 28826), (35, 24708), (42, 20590), (58, 14910), (60, 14413), (70, 12354), (71, 12180), (84, 10295), (87, 9940), (105, 8236), (116, 7455), (140, 6177), (142, 6090), (145, 5964), (174, 4970), (203, 4260), (210, 4118), (213, 4060), (284, 3045), (290, 2982), (348, 2485), (355, 2436), (406, 2130), (420, 2059), (426, 2030), (435, 1988), (497, 1740), (580, 1491), (609, 1420), (710, 1218), (812, 1065), (852, 1015), (870, 994)]