1281660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 3683232

約数和(自身を除く): 2401572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 521, 615, 820, 1042, 1230, 1563, 2084, 2460, 2605, 3126, 5210, 6252, 7815, 10420, 15630, 21361, 31260, 42722, 64083, 85444, 106805, 128166, 213610, 256332, 320415, 427220, 640830, 1281660]

約数ペア:

[(1, 1281660), (2, 640830), (3, 427220), (4, 320415), (5, 256332), (6, 213610), (10, 128166), (12, 106805), (15, 85444), (20, 64083), (30, 42722), (41, 31260), (60, 21361), (82, 15630), (123, 10420), (164, 7815), (205, 6252), (246, 5210), (410, 3126), (492, 2605), (521, 2460), (615, 2084), (820, 1563), (1042, 1230)]