65201520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2539}}^1$

素因数の和:2662

約数の個数: 80

約数和(自身を含む): 204094080

約数和(自身を除く): 138892560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2539, 2568, 3210, 4280, 5078, 5136, 6420, 7617, 8560, 10156, 12695, 12840, 15234, 20312, 25390, 25680, 30468, 38085, 40624, 50780, 60936, 76170, 101560, 121872, 152340, 203120, 271673, 304680, 543346, 609360, 815019, 1086692, 1358365, 1630038, 2173384, 2716730, 3260076, 4075095, 4346768, 5433460, 6520152, 8150190, 10866920, 13040304, 16300380, 21733840, 32600760, 65201520]

約数ペア:

[(1, 65201520), (2, 32600760), (3, 21733840), (4, 16300380), (5, 13040304), (6, 10866920), (8, 8150190), (10, 6520152), (12, 5433460), (15, 4346768), (16, 4075095), (20, 3260076), (24, 2716730), (30, 2173384), (40, 1630038), (48, 1358365), (60, 1086692), (80, 815019), (107, 609360), (120, 543346), (214, 304680), (240, 271673), (321, 203120), (428, 152340), (535, 121872), (642, 101560), (856, 76170), (1070, 60936), (1284, 50780), (1605, 40624), (1712, 38085), (2140, 30468), (2539, 25680), (2568, 25390), (3210, 20312), (4280, 15234), (5078, 12840), (5136, 12695), (6420, 10156), (7617, 8560)]