280899680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56633}}^1$

素因数の和:56679

約数の個数: 48

約数和(自身を含む): 685044864

約数和(自身を除く): 404145184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 56633, 113266, 226532, 283165, 453064, 566330, 906128, 1132660, 1755623, 1812256, 2265320, 3511246, 4530640, 7022492, 8778115, 9061280, 14044984, 17556230, 28089968, 35112460, 56179936, 70224920, 140449840, 280899680]

約数ペア:

[(1, 280899680), (2, 140449840), (4, 70224920), (5, 56179936), (8, 35112460), (10, 28089968), (16, 17556230), (20, 14044984), (31, 9061280), (32, 8778115), (40, 7022492), (62, 4530640), (80, 3511246), (124, 2265320), (155, 1812256), (160, 1755623), (248, 1132660), (310, 906128), (496, 566330), (620, 453064), (992, 283165), (1240, 226532), (2480, 113266), (4960, 56633)]