1813240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 4808160

約数和(自身を除く): 2994920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 317, 440, 520, 572, 634, 715, 1144, 1268, 1430, 1585, 2536, 2860, 3170, 3487, 4121, 5720, 6340, 6974, 8242, 12680, 13948, 16484, 17435, 20605, 27896, 32968, 34870, 41210, 45331, 69740, 82420, 90662, 139480, 164840, 181324, 226655, 362648, 453310, 906620, 1813240]

約数ペア:

[(1, 1813240), (2, 906620), (4, 453310), (5, 362648), (8, 226655), (10, 181324), (11, 164840), (13, 139480), (20, 90662), (22, 82420), (26, 69740), (40, 45331), (44, 41210), (52, 34870), (55, 32968), (65, 27896), (88, 20605), (104, 17435), (110, 16484), (130, 13948), (143, 12680), (220, 8242), (260, 6974), (286, 6340), (317, 5720), (440, 4121), (520, 3487), (572, 3170), (634, 2860), (715, 2536), (1144, 1585), (1268, 1430)]