78820680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{656839}}^1$

素因数の和:656853

約数の個数: 32

約数和(自身を含む): 236462400

約数和(自身を除く): 157641720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 656839, 1313678, 1970517, 2627356, 3284195, 3941034, 5254712, 6568390, 7882068, 9852585, 13136780, 15764136, 19705170, 26273560, 39410340, 78820680]

約数ペア:

[(1, 78820680), (2, 39410340), (3, 26273560), (4, 19705170), (5, 15764136), (6, 13136780), (8, 9852585), (10, 7882068), (12, 6568390), (15, 5254712), (20, 3941034), (24, 3284195), (30, 2627356), (40, 1970517), (60, 1313678), (120, 656839)]