31065840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3351

約数の個数: 120

約数和(自身を含む): 112388640

約数和(自身を除く): 81322800

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, 1872, 2340, 3120, 3319, 4680, 6638, 9360, 9957, 13276, 16595, 19914, 26552, 29871, 33190, 39828, 43147, 49785, 53104, 59742, 66380, 79656, 86294, 99570, 119484, 129441, 132760, 149355, 159312, 172588, 199140, 215735, 238968, 258882, 265520, 298710, 345176, 388323, 398280, 431470, 477936, 517764, 597420, 647205, 690352, 776646, 796560, 862940, 1035528, 1194840, 1294410, 1553292, 1725880, 1941615, 2071056, 2389680, 2588820, 3106584, 3451760, 3883230, 5177640, 6213168, 7766460, 10355280, 15532920, 31065840]

約数ペア:

[(1, 31065840), (2, 15532920), (3, 10355280), (4, 7766460), (5, 6213168), (6, 5177640), (8, 3883230), (9, 3451760), (10, 3106584), (12, 2588820), (13, 2389680), (15, 2071056), (16, 1941615), (18, 1725880), (20, 1553292), (24, 1294410), (26, 1194840), (30, 1035528), (36, 862940), (39, 796560), (40, 776646), (45, 690352), (48, 647205), (52, 597420), (60, 517764), (65, 477936), (72, 431470), (78, 398280), (80, 388323), (90, 345176), (104, 298710), (117, 265520), (120, 258882), (130, 238968), (144, 215735), (156, 199140), (180, 172588), (195, 159312), (208, 149355), (234, 132760), (240, 129441), (260, 119484), (312, 99570), (360, 86294), (390, 79656), (468, 66380), (520, 59742), (585, 53104), (624, 49785), (720, 43147), (780, 39828), (936, 33190), (1040, 29871), (1170, 26552), (1560, 19914), (1872, 16595), (2340, 13276), (3120, 9957), (3319, 9360), (4680, 6638)]