64739020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 147717360

約数和(自身を除く): 82978340

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 211, 230, 290, 422, 460, 529, 580, 667, 844, 1055, 1058, 1334, 2110, 2116, 2645, 2668, 3335, 4220, 4853, 5290, 6119, 6670, 9706, 10580, 12238, 13340, 15341, 19412, 24265, 24476, 30595, 30682, 48530, 61190, 61364, 76705, 97060, 111619, 122380, 140737, 153410, 223238, 281474, 306820, 446476, 558095, 562948, 703685, 1116190, 1407370, 2232380, 2814740, 3236951, 6473902, 12947804, 16184755, 32369510, 64739020]

約数ペア:

[(1, 64739020), (2, 32369510), (4, 16184755), (5, 12947804), (10, 6473902), (20, 3236951), (23, 2814740), (29, 2232380), (46, 1407370), (58, 1116190), (92, 703685), (115, 562948), (116, 558095), (145, 446476), (211, 306820), (230, 281474), (290, 223238), (422, 153410), (460, 140737), (529, 122380), (580, 111619), (667, 97060), (844, 76705), (1055, 61364), (1058, 61190), (1334, 48530), (2110, 30682), (2116, 30595), (2645, 24476), (2668, 24265), (3335, 19412), (4220, 15341), (4853, 13340), (5290, 12238), (6119, 10580), (6670, 9706)]