681780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 2084544

約数和(自身を除く): 1402764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1033, 2066, 3099, 4132, 5165, 6198, 10330, 11363, 12396, 15495, 20660, 22726, 30990, 34089, 45452, 56815, 61980, 68178, 113630, 136356, 170445, 227260, 340890, 681780]

約数ペア:

[(1, 681780), (2, 340890), (3, 227260), (4, 170445), (5, 136356), (6, 113630), (10, 68178), (11, 61980), (12, 56815), (15, 45452), (20, 34089), (22, 30990), (30, 22726), (33, 20660), (44, 15495), (55, 12396), (60, 11363), (66, 10330), (110, 6198), (132, 5165), (165, 4132), (220, 3099), (330, 2066), (660, 1033)]