81259860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123121}}^1$

素因数の和:123144

約数の個数: 48

約数和(自身を含む): 248213952

約数和(自身を除く): 166954092

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, 123121, 246242, 369363, 492484, 615605, 738726, 1231210, 1354331, 1477452, 1846815, 2462420, 2708662, 3693630, 4062993, 5417324, 6771655, 7387260, 8125986, 13543310, 16251972, 20314965, 27086620, 40629930, 81259860]

約数ペア:

[(1, 81259860), (2, 40629930), (3, 27086620), (4, 20314965), (5, 16251972), (6, 13543310), (10, 8125986), (11, 7387260), (12, 6771655), (15, 5417324), (20, 4062993), (22, 3693630), (30, 2708662), (33, 2462420), (44, 1846815), (55, 1477452), (60, 1354331), (66, 1231210), (110, 738726), (132, 615605), (165, 492484), (220, 369363), (330, 246242), (660, 123121)]