2919920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 7633440

約数和(自身を除く): 4713520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 113, 136, 152, 170, 190, 226, 272, 304, 323, 340, 380, 452, 565, 646, 680, 760, 904, 1130, 1292, 1360, 1520, 1615, 1808, 1921, 2147, 2260, 2584, 3230, 3842, 4294, 4520, 5168, 6460, 7684, 8588, 9040, 9605, 10735, 12920, 15368, 17176, 19210, 21470, 25840, 30736, 34352, 36499, 38420, 42940, 72998, 76840, 85880, 145996, 153680, 171760, 182495, 291992, 364990, 583984, 729980, 1459960, 2919920]

約数ペア:

[(1, 2919920), (2, 1459960), (4, 729980), (5, 583984), (8, 364990), (10, 291992), (16, 182495), (17, 171760), (19, 153680), (20, 145996), (34, 85880), (38, 76840), (40, 72998), (68, 42940), (76, 38420), (80, 36499), (85, 34352), (95, 30736), (113, 25840), (136, 21470), (152, 19210), (170, 17176), (190, 15368), (226, 12920), (272, 10735), (304, 9605), (323, 9040), (340, 8588), (380, 7684), (452, 6460), (565, 5168), (646, 4520), (680, 4294), (760, 3842), (904, 3230), (1130, 2584), (1292, 2260), (1360, 2147), (1520, 1921), (1615, 1808)]