68721420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36947}}^1$

素因数の和:36990

約数の個数: 48

約数和(自身を含む): 198632448

約数和(自身を除く): 129911028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 36947, 73894, 110841, 147788, 184735, 221682, 369470, 443364, 554205, 738940, 1108410, 1145357, 2216820, 2290714, 3436071, 4581428, 5726785, 6872142, 11453570, 13744284, 17180355, 22907140, 34360710, 68721420]

約数ペア:

[(1, 68721420), (2, 34360710), (3, 22907140), (4, 17180355), (5, 13744284), (6, 11453570), (10, 6872142), (12, 5726785), (15, 4581428), (20, 3436071), (30, 2290714), (31, 2216820), (60, 1145357), (62, 1108410), (93, 738940), (124, 554205), (155, 443364), (186, 369470), (310, 221682), (372, 184735), (465, 147788), (620, 110841), (930, 73894), (1860, 36947)]