1286854980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{498781}}^1$

素因数の和:498836

約数の個数: 48

約数和(自身を含む): 3686996544

約数和(自身を除く): 2400141564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 498781, 997562, 1496343, 1995124, 2493905, 2992686, 4987810, 5985372, 7481715, 9975620, 14963430, 21447583, 29926860, 42895166, 64342749, 85790332, 107237915, 128685498, 214475830, 257370996, 321713745, 428951660, 643427490, 1286854980]

約数ペア:

[(1, 1286854980), (2, 643427490), (3, 428951660), (4, 321713745), (5, 257370996), (6, 214475830), (10, 128685498), (12, 107237915), (15, 85790332), (20, 64342749), (30, 42895166), (43, 29926860), (60, 21447583), (86, 14963430), (129, 9975620), (172, 7481715), (215, 5985372), (258, 4987810), (430, 2992686), (516, 2493905), (645, 1995124), (860, 1496343), (1290, 997562), (2580, 498781)]