81366560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 212611392

約数和(自身を除く): 131244832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 83, 88, 110, 160, 166, 176, 220, 332, 352, 415, 440, 557, 664, 830, 880, 913, 1114, 1328, 1660, 1760, 1826, 2228, 2656, 2785, 3320, 3652, 4456, 4565, 5570, 6127, 6640, 7304, 8912, 9130, 11140, 12254, 13280, 14608, 17824, 18260, 22280, 24508, 29216, 30635, 36520, 44560, 46231, 49016, 61270, 73040, 89120, 92462, 98032, 122540, 146080, 184924, 196064, 231155, 245080, 369848, 462310, 490160, 508541, 739696, 924620, 980320, 1017082, 1479392, 1849240, 2034164, 2542705, 3698480, 4068328, 5085410, 7396960, 8136656, 10170820, 16273312, 20341640, 40683280, 81366560]

約数ペア:

[(1, 81366560), (2, 40683280), (4, 20341640), (5, 16273312), (8, 10170820), (10, 8136656), (11, 7396960), (16, 5085410), (20, 4068328), (22, 3698480), (32, 2542705), (40, 2034164), (44, 1849240), (55, 1479392), (80, 1017082), (83, 980320), (88, 924620), (110, 739696), (160, 508541), (166, 490160), (176, 462310), (220, 369848), (332, 245080), (352, 231155), (415, 196064), (440, 184924), (557, 146080), (664, 122540), (830, 98032), (880, 92462), (913, 89120), (1114, 73040), (1328, 61270), (1660, 49016), (1760, 46231), (1826, 44560), (2228, 36520), (2656, 30635), (2785, 29216), (3320, 24508), (3652, 22280), (4456, 18260), (4565, 17824), (5570, 14608), (6127, 13280), (6640, 12254), (7304, 11140), (8912, 9130)]