1640376450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{28703}}^1$

素因数の和:28848

約数の個数: 72

約数和(自身を含む): 4442001408

約数和(自身を除く): 2801624958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 127, 150, 225, 254, 381, 450, 635, 762, 1143, 1270, 1905, 2286, 3175, 3810, 5715, 6350, 9525, 11430, 19050, 28575, 28703, 57150, 57406, 86109, 143515, 172218, 258327, 287030, 430545, 516654, 717575, 861090, 1291635, 1435150, 2152725, 2583270, 3645281, 4305450, 6458175, 7290562, 10935843, 12916350, 18226405, 21871686, 32807529, 36452810, 54679215, 65615058, 91132025, 109358430, 164037645, 182264050, 273396075, 328075290, 546792150, 820188225, 1640376450]

約数ペア:

[(1, 1640376450), (2, 820188225), (3, 546792150), (5, 328075290), (6, 273396075), (9, 182264050), (10, 164037645), (15, 109358430), (18, 91132025), (25, 65615058), (30, 54679215), (45, 36452810), (50, 32807529), (75, 21871686), (90, 18226405), (127, 12916350), (150, 10935843), (225, 7290562), (254, 6458175), (381, 4305450), (450, 3645281), (635, 2583270), (762, 2152725), (1143, 1435150), (1270, 1291635), (1905, 861090), (2286, 717575), (3175, 516654), (3810, 430545), (5715, 287030), (6350, 258327), (9525, 172218), (11430, 143515), (19050, 86109), (28575, 57406), (28703, 57150)]