65637680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^3\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 80

約数和(自身を含む): 163114560

約数和(自身を除く): 97476880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 167, 170, 272, 289, 334, 340, 578, 668, 680, 835, 1156, 1336, 1360, 1445, 1670, 2312, 2672, 2839, 2890, 3340, 4624, 4913, 5678, 5780, 6680, 9826, 11356, 11560, 13360, 14195, 19652, 22712, 23120, 24565, 28390, 39304, 45424, 48263, 49130, 56780, 78608, 96526, 98260, 113560, 193052, 196520, 227120, 241315, 386104, 393040, 482630, 772208, 820471, 965260, 1640942, 1930520, 3281884, 3861040, 4102355, 6563768, 8204710, 13127536, 16409420, 32818840, 65637680]

約数ペア:

[(1, 65637680), (2, 32818840), (4, 16409420), (5, 13127536), (8, 8204710), (10, 6563768), (16, 4102355), (17, 3861040), (20, 3281884), (34, 1930520), (40, 1640942), (68, 965260), (80, 820471), (85, 772208), (136, 482630), (167, 393040), (170, 386104), (272, 241315), (289, 227120), (334, 196520), (340, 193052), (578, 113560), (668, 98260), (680, 96526), (835, 78608), (1156, 56780), (1336, 49130), (1360, 48263), (1445, 45424), (1670, 39304), (2312, 28390), (2672, 24565), (2839, 23120), (2890, 22712), (3340, 19652), (4624, 14195), (4913, 13360), (5678, 11560), (5780, 11356), (6680, 9826)]