15400890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 40281696

約数和(自身を除く): 24880806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 811, 1055, 1266, 1622, 1899, 2110, 2433, 3165, 3798, 4055, 4866, 6330, 7299, 8110, 9495, 12165, 14598, 18990, 24330, 36495, 72990, 171121, 342242, 513363, 855605, 1026726, 1540089, 1711210, 2566815, 3080178, 5133630, 7700445, 15400890]

約数ペア:

[(1, 15400890), (2, 7700445), (3, 5133630), (5, 3080178), (6, 2566815), (9, 1711210), (10, 1540089), (15, 1026726), (18, 855605), (30, 513363), (45, 342242), (90, 171121), (211, 72990), (422, 36495), (633, 24330), (811, 18990), (1055, 14598), (1266, 12165), (1622, 9495), (1899, 8110), (2110, 7299), (2433, 6330), (3165, 4866), (3798, 4055)]