661567240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 1595908800

約数和(自身を除く): 934341560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 289, 302, 340, 379, 578, 604, 680, 755, 758, 1156, 1208, 1445, 1510, 1516, 1895, 2312, 2567, 2890, 3020, 3032, 3790, 5134, 5780, 6040, 6443, 7580, 10268, 11560, 12835, 12886, 15160, 20536, 25670, 25772, 32215, 43639, 51340, 51544, 57229, 64430, 87278, 102680, 109531, 114458, 128860, 174556, 218195, 219062, 228916, 257720, 286145, 349112, 436390, 438124, 457832, 547655, 572290, 872780, 876248, 972893, 1095310, 1144580, 1745560, 1945786, 2190620, 2289160, 3891572, 4381240, 4864465, 7783144, 9728930, 16539181, 19457860, 33078362, 38915720, 66156724, 82695905, 132313448, 165391810, 330783620, 661567240]

約数ペア:

[(1, 661567240), (2, 330783620), (4, 165391810), (5, 132313448), (8, 82695905), (10, 66156724), (17, 38915720), (20, 33078362), (34, 19457860), (40, 16539181), (68, 9728930), (85, 7783144), (136, 4864465), (151, 4381240), (170, 3891572), (289, 2289160), (302, 2190620), (340, 1945786), (379, 1745560), (578, 1144580), (604, 1095310), (680, 972893), (755, 876248), (758, 872780), (1156, 572290), (1208, 547655), (1445, 457832), (1510, 438124), (1516, 436390), (1895, 349112), (2312, 286145), (2567, 257720), (2890, 228916), (3020, 219062), (3032, 218195), (3790, 174556), (5134, 128860), (5780, 114458), (6040, 109531), (6443, 102680), (7580, 87278), (10268, 64430), (11560, 57229), (12835, 51544), (12886, 51340), (15160, 43639), (20536, 32215), (25670, 25772)]