81399120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2803}}^1$

素因数の和:2841

約数の個数: 120

約数和(自身を含む): 277461408

約数和(自身を除く): 196062288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2803, 2904, 3630, 4840, 5606, 5808, 7260, 8409, 9680, 11212, 14015, 14520, 16818, 22424, 28030, 29040, 30833, 33636, 42045, 44848, 56060, 61666, 67272, 84090, 92499, 112120, 123332, 134544, 154165, 168180, 184998, 224240, 246664, 308330, 336360, 339163, 369996, 462495, 493328, 616660, 672720, 678326, 739992, 924990, 1017489, 1233320, 1356652, 1479984, 1695815, 1849980, 2034978, 2466640, 2713304, 3391630, 3699960, 4069956, 5087445, 5426608, 6783260, 7399920, 8139912, 10174890, 13566520, 16279824, 20349780, 27133040, 40699560, 81399120]

約数ペア:

[(1, 81399120), (2, 40699560), (3, 27133040), (4, 20349780), (5, 16279824), (6, 13566520), (8, 10174890), (10, 8139912), (11, 7399920), (12, 6783260), (15, 5426608), (16, 5087445), (20, 4069956), (22, 3699960), (24, 3391630), (30, 2713304), (33, 2466640), (40, 2034978), (44, 1849980), (48, 1695815), (55, 1479984), (60, 1356652), (66, 1233320), (80, 1017489), (88, 924990), (110, 739992), (120, 678326), (121, 672720), (132, 616660), (165, 493328), (176, 462495), (220, 369996), (240, 339163), (242, 336360), (264, 308330), (330, 246664), (363, 224240), (440, 184998), (484, 168180), (528, 154165), (605, 134544), (660, 123332), (726, 112120), (880, 92499), (968, 84090), (1210, 67272), (1320, 61666), (1452, 56060), (1815, 44848), (1936, 42045), (2420, 33636), (2640, 30833), (2803, 29040), (2904, 28030), (3630, 22424), (4840, 16818), (5606, 14520), (5808, 14015), (7260, 11212), (8409, 9680)]