64524720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20681}}^1$

素因数の和:20710

約数の個数: 80

約数和(自身を含む): 215423712

約数和(自身を除く): 150898992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20681, 41362, 62043, 82724, 103405, 124086, 165448, 206810, 248172, 268853, 310215, 330896, 413620, 496344, 537706, 620430, 806559, 827240, 992688, 1075412, 1240860, 1344265, 1613118, 1654480, 2150824, 2481720, 2688530, 3226236, 4032795, 4301648, 4963440, 5377060, 6452472, 8065590, 10754120, 12904944, 16131180, 21508240, 32262360, 64524720]

約数ペア:

[(1, 64524720), (2, 32262360), (3, 21508240), (4, 16131180), (5, 12904944), (6, 10754120), (8, 8065590), (10, 6452472), (12, 5377060), (13, 4963440), (15, 4301648), (16, 4032795), (20, 3226236), (24, 2688530), (26, 2481720), (30, 2150824), (39, 1654480), (40, 1613118), (48, 1344265), (52, 1240860), (60, 1075412), (65, 992688), (78, 827240), (80, 806559), (104, 620430), (120, 537706), (130, 496344), (156, 413620), (195, 330896), (208, 310215), (240, 268853), (260, 248172), (312, 206810), (390, 165448), (520, 124086), (624, 103405), (780, 82724), (1040, 62043), (1560, 41362), (3120, 20681)]