65728790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 131328000

約数和(自身を除く): 65599210

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 79, 95, 145, 151, 158, 190, 290, 302, 395, 551, 755, 790, 1102, 1501, 1510, 2291, 2755, 2869, 3002, 4379, 4582, 5510, 5738, 7505, 8758, 11455, 11929, 14345, 15010, 21895, 22910, 23858, 28690, 43529, 43790, 59645, 83201, 87058, 119290, 166402, 217645, 226651, 345941, 416005, 435290, 453302, 691882, 832010, 1133255, 1729705, 2266510, 3459410, 6572879, 13145758, 32864395, 65728790]

約数ペア:

[(1, 65728790), (2, 32864395), (5, 13145758), (10, 6572879), (19, 3459410), (29, 2266510), (38, 1729705), (58, 1133255), (79, 832010), (95, 691882), (145, 453302), (151, 435290), (158, 416005), (190, 345941), (290, 226651), (302, 217645), (395, 166402), (551, 119290), (755, 87058), (790, 83201), (1102, 59645), (1501, 43790), (1510, 43529), (2291, 28690), (2755, 23858), (2869, 22910), (3002, 21895), (4379, 15010), (4582, 14345), (5510, 11929), (5738, 11455), (7505, 8758)]