661825868440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7211}}^1\times {\mathrm{208591}}^1$

素因数の和:215824

約数の個数: 64

約数和(自身を含む): 1624714744320

約数和(自身を除く): 962888875880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 7211, 14422, 28844, 36055, 57688, 72110, 79321, 144220, 158642, 208591, 288440, 317284, 396605, 417182, 634568, 793210, 834364, 1042955, 1586420, 1668728, 2085910, 2294501, 3172840, 4171820, 4589002, 8343640, 9178004, 11472505, 18356008, 22945010, 45890020, 91780040, 1504149701, 3008299402, 6016598804, 7520748505, 12033197608, 15041497010, 16545646711, 30082994020, 33091293422, 60165988040, 66182586844, 82728233555, 132365173688, 165456467110, 330912934220, 661825868440]

約数ペア:

[(1, 661825868440), (2, 330912934220), (4, 165456467110), (5, 132365173688), (8, 82728233555), (10, 66182586844), (11, 60165988040), (20, 33091293422), (22, 30082994020), (40, 16545646711), (44, 15041497010), (55, 12033197608), (88, 7520748505), (110, 6016598804), (220, 3008299402), (440, 1504149701), (7211, 91780040), (14422, 45890020), (28844, 22945010), (36055, 18356008), (57688, 11472505), (72110, 9178004), (79321, 8343640), (144220, 4589002), (158642, 4171820), (208591, 3172840), (288440, 2294501), (317284, 2085910), (396605, 1668728), (417182, 1586420), (634568, 1042955), (793210, 834364)]