55641990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 137106432

約数和(自身を除く): 81464442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 151, 173, 213, 302, 346, 355, 426, 453, 519, 710, 755, 865, 906, 1038, 1065, 1510, 1730, 2130, 2265, 2595, 4530, 5190, 10721, 12283, 21442, 24566, 26123, 32163, 36849, 52246, 53605, 61415, 64326, 73698, 78369, 107210, 122830, 130615, 156738, 160815, 184245, 261230, 321630, 368490, 391845, 783690, 1854733, 3709466, 5564199, 9273665, 11128398, 18547330, 27820995, 55641990]

約数ペア:

[(1, 55641990), (2, 27820995), (3, 18547330), (5, 11128398), (6, 9273665), (10, 5564199), (15, 3709466), (30, 1854733), (71, 783690), (142, 391845), (151, 368490), (173, 321630), (213, 261230), (302, 184245), (346, 160815), (355, 156738), (426, 130615), (453, 122830), (519, 107210), (710, 78369), (755, 73698), (865, 64326), (906, 61415), (1038, 53605), (1065, 52246), (1510, 36849), (1730, 32163), (2130, 26123), (2265, 24566), (2595, 21442), (4530, 12283), (5190, 10721)]