1388898090

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{21169}}^1$

素因数の和:21200

約数の個数: 72

約数和(自身を含む): 3750011460

約数和(自身を除く): 2361113370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2187, 2430, 3645, 4374, 6561, 7290, 10935, 13122, 21169, 21870, 32805, 42338, 63507, 65610, 105845, 127014, 190521, 211690, 317535, 381042, 571563, 635070, 952605, 1143126, 1714689, 1905210, 2857815, 3429378, 5144067, 5715630, 8573445, 10288134, 15432201, 17146890, 25720335, 30864402, 46296603, 51440670, 77161005, 92593206, 138889809, 154322010, 231483015, 277779618, 462966030, 694449045, 1388898090]

約数ペア:

[(1, 1388898090), (2, 694449045), (3, 462966030), (5, 277779618), (6, 231483015), (9, 154322010), (10, 138889809), (15, 92593206), (18, 77161005), (27, 51440670), (30, 46296603), (45, 30864402), (54, 25720335), (81, 17146890), (90, 15432201), (135, 10288134), (162, 8573445), (243, 5715630), (270, 5144067), (405, 3429378), (486, 2857815), (729, 1905210), (810, 1714689), (1215, 1143126), (1458, 952605), (2187, 635070), (2430, 571563), (3645, 381042), (4374, 317535), (6561, 211690), (7290, 190521), (10935, 127014), (13122, 105845), (21169, 65610), (21870, 63507), (32805, 42338)]