666660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 1919232

約数和(自身を除く): 1252572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 271, 410, 492, 542, 615, 813, 820, 1084, 1230, 1355, 1626, 2460, 2710, 3252, 4065, 5420, 8130, 11111, 16260, 22222, 33333, 44444, 55555, 66666, 111110, 133332, 166665, 222220, 333330, 666660]

約数ペア:

[(1, 666660), (2, 333330), (3, 222220), (4, 166665), (5, 133332), (6, 111110), (10, 66666), (12, 55555), (15, 44444), (20, 33333), (30, 22222), (41, 16260), (60, 11111), (82, 8130), (123, 5420), (164, 4065), (205, 3252), (246, 2710), (271, 2460), (410, 1626), (492, 1355), (542, 1230), (615, 1084), (813, 820)]