648686070

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{9887}}^1$

素因数の和:9918

約数の個数: 72

約数和(自身を含む): 1751540544

約数和(自身を除く): 1102854474

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, 9887, 10935, 13122, 19774, 21870, 29661, 32805, 49435, 59322, 65610, 88983, 98870, 148305, 177966, 266949, 296610, 444915, 533898, 800847, 889830, 1334745, 1601694, 2402541, 2669490, 4004235, 4805082, 7207623, 8008470, 12012705, 14415246, 21622869, 24025410, 36038115, 43245738, 64868607, 72076230, 108114345, 129737214, 216228690, 324343035, 648686070]

約数ペア:

[(1, 648686070), (2, 324343035), (3, 216228690), (5, 129737214), (6, 108114345), (9, 72076230), (10, 64868607), (15, 43245738), (18, 36038115), (27, 24025410), (30, 21622869), (45, 14415246), (54, 12012705), (81, 8008470), (90, 7207623), (135, 4805082), (162, 4004235), (243, 2669490), (270, 2402541), (405, 1601694), (486, 1334745), (729, 889830), (810, 800847), (1215, 533898), (1458, 444915), (2187, 296610), (2430, 266949), (3645, 177966), (4374, 148305), (6561, 98870), (7290, 88983), (9887, 65610), (10935, 59322), (13122, 49435), (19774, 32805), (21870, 29661)]