1487996840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{6491}}^1$

素因数の和:7034

約数の個数: 64

約数和(自身を含む): 3659929920

約数和(自身を除く): 2171933080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 521, 1042, 2084, 2605, 4168, 5210, 5731, 6491, 10420, 11462, 12982, 20840, 22924, 25964, 28655, 32455, 45848, 51928, 57310, 64910, 71401, 114620, 129820, 142802, 229240, 259640, 285604, 357005, 571208, 714010, 1428020, 2856040, 3381811, 6763622, 13527244, 16909055, 27054488, 33818110, 37199921, 67636220, 74399842, 135272440, 148799684, 185999605, 297599368, 371999210, 743998420, 1487996840]

約数ペア:

[(1, 1487996840), (2, 743998420), (4, 371999210), (5, 297599368), (8, 185999605), (10, 148799684), (11, 135272440), (20, 74399842), (22, 67636220), (40, 37199921), (44, 33818110), (55, 27054488), (88, 16909055), (110, 13527244), (220, 6763622), (440, 3381811), (521, 2856040), (1042, 1428020), (2084, 714010), (2605, 571208), (4168, 357005), (5210, 285604), (5731, 259640), (6491, 229240), (10420, 142802), (11462, 129820), (12982, 114620), (20840, 71401), (22924, 64910), (25964, 57310), (28655, 51928), (32455, 45848)]