15701620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 20586380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 479, 596, 745, 958, 1490, 1639, 1916, 2395, 2980, 3278, 4790, 5269, 6556, 8195, 9580, 10538, 16390, 21076, 26345, 32780, 52690, 71371, 105380, 142742, 285484, 356855, 713710, 785081, 1427420, 1570162, 3140324, 3925405, 7850810, 15701620]

約数ペア:

[(1, 15701620), (2, 7850810), (4, 3925405), (5, 3140324), (10, 1570162), (11, 1427420), (20, 785081), (22, 713710), (44, 356855), (55, 285484), (110, 142742), (149, 105380), (220, 71371), (298, 52690), (479, 32780), (596, 26345), (745, 21076), (958, 16390), (1490, 10538), (1639, 9580), (1916, 8195), (2395, 6556), (2980, 5269), (3278, 4790)]