878560

素因数分解:

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

素因数の和:68

約数の個数: 72

約数和(自身を含む): 2320920

約数和(自身を除く): 1442360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 289, 304, 323, 340, 380, 544, 578, 608, 646, 680, 760, 1156, 1292, 1360, 1445, 1520, 1615, 2312, 2584, 2720, 2890, 3040, 3230, 4624, 5168, 5491, 5780, 6460, 9248, 10336, 10982, 11560, 12920, 21964, 23120, 25840, 27455, 43928, 46240, 51680, 54910, 87856, 109820, 175712, 219640, 439280, 878560]

約数ペア:

[(1, 878560), (2, 439280), (4, 219640), (5, 175712), (8, 109820), (10, 87856), (16, 54910), (17, 51680), (19, 46240), (20, 43928), (32, 27455), (34, 25840), (38, 23120), (40, 21964), (68, 12920), (76, 11560), (80, 10982), (85, 10336), (95, 9248), (136, 6460), (152, 5780), (160, 5491), (170, 5168), (190, 4624), (272, 3230), (289, 3040), (304, 2890), (323, 2720), (340, 2584), (380, 2312), (544, 1615), (578, 1520), (608, 1445), (646, 1360), (680, 1292), (760, 1156)]