81011580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{367}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 245812224

約数和(自身を除く): 164800644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 283, 367, 390, 566, 734, 780, 849, 1101, 1132, 1415, 1468, 1698, 1835, 2202, 2830, 3396, 3670, 3679, 4245, 4404, 4771, 5505, 5660, 7340, 7358, 8490, 9542, 11010, 11037, 14313, 14716, 16980, 18395, 19084, 22020, 22074, 23855, 28626, 36790, 44148, 47710, 55185, 57252, 71565, 73580, 95420, 103861, 110370, 143130, 207722, 220740, 286260, 311583, 415444, 519305, 623166, 1038610, 1246332, 1350193, 1557915, 2077220, 2700386, 3115830, 4050579, 5400772, 6231660, 6750965, 8101158, 13501930, 16202316, 20252895, 27003860, 40505790, 81011580]

約数ペア:

[(1, 81011580), (2, 40505790), (3, 27003860), (4, 20252895), (5, 16202316), (6, 13501930), (10, 8101158), (12, 6750965), (13, 6231660), (15, 5400772), (20, 4050579), (26, 3115830), (30, 2700386), (39, 2077220), (52, 1557915), (60, 1350193), (65, 1246332), (78, 1038610), (130, 623166), (156, 519305), (195, 415444), (260, 311583), (283, 286260), (367, 220740), (390, 207722), (566, 143130), (734, 110370), (780, 103861), (849, 95420), (1101, 73580), (1132, 71565), (1415, 57252), (1468, 55185), (1698, 47710), (1835, 44148), (2202, 36790), (2830, 28626), (3396, 23855), (3670, 22074), (3679, 22020), (4245, 19084), (4404, 18395), (4771, 16980), (5505, 14716), (5660, 14313), (7340, 11037), (7358, 11010), (8490, 9542)]