819648960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65677}}^1$

素因数の和:65710

約数の個数: 112

約数和(自身を含む): 2802611616

約数和(自身を除く): 1982962656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 65677, 131354, 197031, 262708, 328385, 394062, 525416, 656770, 788124, 853801, 985155, 1050832, 1313540, 1576248, 1707602, 1970310, 2101664, 2561403, 2627080, 3152496, 3415204, 3940620, 4203328, 4269005, 5122806, 5254160, 6304992, 6830408, 7881240, 8538010, 10245612, 10508320, 12609984, 12807015, 13660816, 15762480, 17076020, 20491224, 21016640, 25614030, 27321632, 31524960, 34152040, 40982448, 51228060, 54643264, 63049920, 68304080, 81964896, 102456120, 136608160, 163929792, 204912240, 273216320, 409824480, 819648960]

約数ペア:

[(1, 819648960), (2, 409824480), (3, 273216320), (4, 204912240), (5, 163929792), (6, 136608160), (8, 102456120), (10, 81964896), (12, 68304080), (13, 63049920), (15, 54643264), (16, 51228060), (20, 40982448), (24, 34152040), (26, 31524960), (30, 27321632), (32, 25614030), (39, 21016640), (40, 20491224), (48, 17076020), (52, 15762480), (60, 13660816), (64, 12807015), (65, 12609984), (78, 10508320), (80, 10245612), (96, 8538010), (104, 7881240), (120, 6830408), (130, 6304992), (156, 5254160), (160, 5122806), (192, 4269005), (195, 4203328), (208, 3940620), (240, 3415204), (260, 3152496), (312, 2627080), (320, 2561403), (390, 2101664), (416, 1970310), (480, 1707602), (520, 1576248), (624, 1313540), (780, 1050832), (832, 985155), (960, 853801), (1040, 788124), (1248, 656770), (1560, 525416), (2080, 394062), (2496, 328385), (3120, 262708), (4160, 197031), (6240, 131354), (12480, 65677)]