61785020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 60

約数和(自身を含む): 143398920

約数和(自身を除く): 81613900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 211, 220, 242, 422, 484, 605, 844, 1055, 1210, 1331, 2110, 2321, 2420, 2662, 4220, 4642, 5324, 6655, 9284, 11605, 13310, 14641, 23210, 25531, 26620, 29282, 46420, 51062, 58564, 73205, 102124, 127655, 146410, 255310, 280841, 292820, 510620, 561682, 1123364, 1404205, 2808410, 3089251, 5616820, 6178502, 12357004, 15446255, 30892510, 61785020]

約数ペア:

[(1, 61785020), (2, 30892510), (4, 15446255), (5, 12357004), (10, 6178502), (11, 5616820), (20, 3089251), (22, 2808410), (44, 1404205), (55, 1123364), (110, 561682), (121, 510620), (211, 292820), (220, 280841), (242, 255310), (422, 146410), (484, 127655), (605, 102124), (844, 73205), (1055, 58564), (1210, 51062), (1331, 46420), (2110, 29282), (2321, 26620), (2420, 25531), (2662, 23210), (4220, 14641), (4642, 13310), (5324, 11605), (6655, 9284)]