15565680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1695

約数の個数: 120

約数和(自身を含む): 56329728

約数和(自身を除く): 40764048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1663, 1872, 2340, 3120, 3326, 4680, 4989, 6652, 8315, 9360, 9978, 13304, 14967, 16630, 19956, 21619, 24945, 26608, 29934, 33260, 39912, 43238, 49890, 59868, 64857, 66520, 74835, 79824, 86476, 99780, 108095, 119736, 129714, 133040, 149670, 172952, 194571, 199560, 216190, 239472, 259428, 299340, 324285, 345904, 389142, 399120, 432380, 518856, 598680, 648570, 778284, 864760, 972855, 1037712, 1197360, 1297140, 1556568, 1729520, 1945710, 2594280, 3113136, 3891420, 5188560, 7782840, 15565680]

約数ペア:

[(1, 15565680), (2, 7782840), (3, 5188560), (4, 3891420), (5, 3113136), (6, 2594280), (8, 1945710), (9, 1729520), (10, 1556568), (12, 1297140), (13, 1197360), (15, 1037712), (16, 972855), (18, 864760), (20, 778284), (24, 648570), (26, 598680), (30, 518856), (36, 432380), (39, 399120), (40, 389142), (45, 345904), (48, 324285), (52, 299340), (60, 259428), (65, 239472), (72, 216190), (78, 199560), (80, 194571), (90, 172952), (104, 149670), (117, 133040), (120, 129714), (130, 119736), (144, 108095), (156, 99780), (180, 86476), (195, 79824), (208, 74835), (234, 66520), (240, 64857), (260, 59868), (312, 49890), (360, 43238), (390, 39912), (468, 33260), (520, 29934), (585, 26608), (624, 24945), (720, 21619), (780, 19956), (936, 16630), (1040, 14967), (1170, 13304), (1560, 9978), (1663, 9360), (1872, 8315), (2340, 6652), (3120, 4989), (3326, 4680)]