30999990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3433}}^1$

素因数の和:3493

約数の個数: 64

約数和(自身を含む): 87031296

約数和(自身を除く): 56031306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 3010, 3433, 4515, 6866, 9030, 10299, 17165, 20598, 24031, 34330, 48062, 51495, 72093, 102990, 120155, 144186, 147619, 240310, 295238, 360465, 442857, 720930, 738095, 885714, 1033333, 1476190, 2066666, 2214285, 3099999, 4428570, 5166665, 6199998, 10333330, 15499995, 30999990]

約数ペア:

[(1, 30999990), (2, 15499995), (3, 10333330), (5, 6199998), (6, 5166665), (7, 4428570), (10, 3099999), (14, 2214285), (15, 2066666), (21, 1476190), (30, 1033333), (35, 885714), (42, 738095), (43, 720930), (70, 442857), (86, 360465), (105, 295238), (129, 240310), (210, 147619), (215, 144186), (258, 120155), (301, 102990), (430, 72093), (602, 51495), (645, 48062), (903, 34330), (1290, 24031), (1505, 20598), (1806, 17165), (3010, 10299), (3433, 9030), (4515, 6866)]