7919960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 19893600

約数和(自身を除く): 11973640

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 613, 646, 680, 760, 1226, 1292, 1615, 2452, 2584, 3065, 3230, 4904, 6130, 6460, 10421, 11647, 12260, 12920, 20842, 23294, 24520, 41684, 46588, 52105, 58235, 83368, 93176, 104210, 116470, 197999, 208420, 232940, 395998, 416840, 465880, 791996, 989995, 1583992, 1979990, 3959980, 7919960]

約数ペア:

[(1, 7919960), (2, 3959980), (4, 1979990), (5, 1583992), (8, 989995), (10, 791996), (17, 465880), (19, 416840), (20, 395998), (34, 232940), (38, 208420), (40, 197999), (68, 116470), (76, 104210), (85, 93176), (95, 83368), (136, 58235), (152, 52105), (170, 46588), (190, 41684), (323, 24520), (340, 23294), (380, 20842), (613, 12920), (646, 12260), (680, 11647), (760, 10421), (1226, 6460), (1292, 6130), (1615, 4904), (2452, 3230), (2584, 3065)]