1617887920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{10271}}^1$

素因数の和:10474

約数の個数: 80

約数和(自身を含む): 4126878720

約数和(自身を除く): 2508990800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 440, 716, 880, 895, 1432, 1790, 1969, 2864, 3580, 3938, 7160, 7876, 9845, 10271, 14320, 15752, 19690, 20542, 31504, 39380, 41084, 51355, 78760, 82168, 102710, 112981, 157520, 164336, 205420, 225962, 410840, 451924, 564905, 821680, 903848, 1129810, 1807696, 1838509, 2259620, 3677018, 4519240, 7354036, 9038480, 9192545, 14708072, 18385090, 20223599, 29416144, 36770180, 40447198, 73540360, 80894396, 101117995, 147080720, 161788792, 202235990, 323577584, 404471980, 808943960, 1617887920]

約数ペア:

[(1, 1617887920), (2, 808943960), (4, 404471980), (5, 323577584), (8, 202235990), (10, 161788792), (11, 147080720), (16, 101117995), (20, 80894396), (22, 73540360), (40, 40447198), (44, 36770180), (55, 29416144), (80, 20223599), (88, 18385090), (110, 14708072), (176, 9192545), (179, 9038480), (220, 7354036), (358, 4519240), (440, 3677018), (716, 2259620), (880, 1838509), (895, 1807696), (1432, 1129810), (1790, 903848), (1969, 821680), (2864, 564905), (3580, 451924), (3938, 410840), (7160, 225962), (7876, 205420), (9845, 164336), (10271, 157520), (14320, 112981), (15752, 102710), (19690, 82168), (20542, 78760), (31504, 51355), (39380, 41084)]