1296204640

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{54371}}^1$

素因数の和:54535

約数の個数: 48

約数和(自身を含む): 3082892400

約数和(自身を除く): 1786687760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 11920, 23840, 54371, 108742, 217484, 271855, 434968, 543710, 869936, 1087420, 1739872, 2174840, 4349680, 8101279, 8699360, 16202558, 32405116, 40506395, 64810232, 81012790, 129620464, 162025580, 259240928, 324051160, 648102320, 1296204640]

約数ペア:

[(1, 1296204640), (2, 648102320), (4, 324051160), (5, 259240928), (8, 162025580), (10, 129620464), (16, 81012790), (20, 64810232), (32, 40506395), (40, 32405116), (80, 16202558), (149, 8699360), (160, 8101279), (298, 4349680), (596, 2174840), (745, 1739872), (1192, 1087420), (1490, 869936), (2384, 543710), (2980, 434968), (4768, 271855), (5960, 217484), (11920, 108742), (23840, 54371)]