81459888

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 219200256

約数和(自身を除く): 137740368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 61, 86, 122, 129, 172, 183, 244, 258, 344, 366, 488, 516, 647, 688, 732, 976, 1032, 1294, 1464, 1941, 2064, 2588, 2623, 2928, 3882, 5176, 5246, 7764, 7869, 10352, 10492, 15528, 15738, 20984, 27821, 31056, 31476, 39467, 41968, 55642, 62952, 78934, 83463, 111284, 118401, 125904, 157868, 166926, 222568, 236802, 315736, 333852, 445136, 473604, 631472, 667704, 947208, 1335408, 1697081, 1894416, 3394162, 5091243, 6788324, 10182486, 13576648, 20364972, 27153296, 40729944, 81459888]

約数ペア:

[(1, 81459888), (2, 40729944), (3, 27153296), (4, 20364972), (6, 13576648), (8, 10182486), (12, 6788324), (16, 5091243), (24, 3394162), (43, 1894416), (48, 1697081), (61, 1335408), (86, 947208), (122, 667704), (129, 631472), (172, 473604), (183, 445136), (244, 333852), (258, 315736), (344, 236802), (366, 222568), (488, 166926), (516, 157868), (647, 125904), (688, 118401), (732, 111284), (976, 83463), (1032, 78934), (1294, 62952), (1464, 55642), (1941, 41968), (2064, 39467), (2588, 31476), (2623, 31056), (2928, 27821), (3882, 20984), (5176, 15738), (5246, 15528), (7764, 10492), (7869, 10352)]