66707320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 159952320

約数和(自身を除く): 93245000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 263, 340, 373, 526, 680, 746, 1052, 1315, 1492, 1865, 2104, 2630, 2984, 3730, 4471, 5260, 6341, 7460, 8942, 10520, 12682, 14920, 17884, 22355, 25364, 31705, 35768, 44710, 50728, 63410, 89420, 98099, 126820, 178840, 196198, 253640, 392396, 490495, 784792, 980990, 1667683, 1961980, 3335366, 3923960, 6670732, 8338415, 13341464, 16676830, 33353660, 66707320]

約数ペア:

[(1, 66707320), (2, 33353660), (4, 16676830), (5, 13341464), (8, 8338415), (10, 6670732), (17, 3923960), (20, 3335366), (34, 1961980), (40, 1667683), (68, 980990), (85, 784792), (136, 490495), (170, 392396), (263, 253640), (340, 196198), (373, 178840), (526, 126820), (680, 98099), (746, 89420), (1052, 63410), (1315, 50728), (1492, 44710), (1865, 35768), (2104, 31705), (2630, 25364), (2984, 22355), (3730, 17884), (4471, 14920), (5260, 12682), (6341, 10520), (7460, 8942)]