85644320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 72

約数和(自身を含む): 209447532

約数和(自身を除く): 123803212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 557, 620, 961, 992, 1114, 1240, 1922, 2228, 2480, 2785, 3844, 4456, 4805, 4960, 5570, 7688, 8912, 9610, 11140, 15376, 17267, 17824, 19220, 22280, 30752, 34534, 38440, 44560, 69068, 76880, 86335, 89120, 138136, 153760, 172670, 276272, 345340, 535277, 552544, 690680, 1070554, 1381360, 2141108, 2676385, 2762720, 4282216, 5352770, 8564432, 10705540, 17128864, 21411080, 42822160, 85644320]

約数ペア:

[(1, 85644320), (2, 42822160), (4, 21411080), (5, 17128864), (8, 10705540), (10, 8564432), (16, 5352770), (20, 4282216), (31, 2762720), (32, 2676385), (40, 2141108), (62, 1381360), (80, 1070554), (124, 690680), (155, 552544), (160, 535277), (248, 345340), (310, 276272), (496, 172670), (557, 153760), (620, 138136), (961, 89120), (992, 86335), (1114, 76880), (1240, 69068), (1922, 44560), (2228, 38440), (2480, 34534), (2785, 30752), (3844, 22280), (4456, 19220), (4805, 17824), (4960, 17267), (5570, 15376), (7688, 11140), (8912, 9610)]