90171756

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 235085760

約数和(自身を除く): 144914004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 137, 141, 188, 274, 282, 389, 411, 423, 548, 564, 778, 822, 846, 1167, 1233, 1556, 1644, 1692, 2334, 2466, 3501, 4668, 4932, 6439, 7002, 12878, 14004, 18283, 19317, 25756, 36566, 38634, 53293, 54849, 57951, 73132, 77268, 106586, 109698, 115902, 159879, 164547, 213172, 219396, 231804, 319758, 329094, 479637, 639516, 658188, 959274, 1918548, 2504771, 5009542, 7514313, 10019084, 15028626, 22542939, 30057252, 45085878, 90171756]

約数ペア:

[(1, 90171756), (2, 45085878), (3, 30057252), (4, 22542939), (6, 15028626), (9, 10019084), (12, 7514313), (18, 5009542), (36, 2504771), (47, 1918548), (94, 959274), (137, 658188), (141, 639516), (188, 479637), (274, 329094), (282, 319758), (389, 231804), (411, 219396), (423, 213172), (548, 164547), (564, 159879), (778, 115902), (822, 109698), (846, 106586), (1167, 77268), (1233, 73132), (1556, 57951), (1644, 54849), (1692, 53293), (2334, 38634), (2466, 36566), (3501, 25756), (4668, 19317), (4932, 18283), (6439, 14004), (7002, 12878)]