1276339960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{30593}}^1$

素因数の和:30760

約数の個数: 64

約数和(自身を含む): 3304152000

約数和(自身を除く): 2027812040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 10430, 20860, 30593, 41720, 61186, 122372, 152965, 214151, 244744, 305930, 428302, 611860, 856604, 1070755, 1223720, 1713208, 2141510, 4283020, 4558357, 8566040, 9116714, 18233428, 22791785, 31908499, 36466856, 45583570, 63816998, 91167140, 127633996, 159542495, 182334280, 255267992, 319084990, 638169980, 1276339960]

約数ペア:

[(1, 1276339960), (2, 638169980), (4, 319084990), (5, 255267992), (7, 182334280), (8, 159542495), (10, 127633996), (14, 91167140), (20, 63816998), (28, 45583570), (35, 36466856), (40, 31908499), (56, 22791785), (70, 18233428), (140, 9116714), (149, 8566040), (280, 4558357), (298, 4283020), (596, 2141510), (745, 1713208), (1043, 1223720), (1192, 1070755), (1490, 856604), (2086, 611860), (2980, 428302), (4172, 305930), (5215, 244744), (5960, 214151), (8344, 152965), (10430, 122372), (20860, 61186), (30593, 41720)]