1626260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3666432

約数和(自身を除く): 2040172

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 61, 62, 86, 122, 124, 155, 172, 215, 244, 305, 310, 430, 610, 620, 860, 1220, 1333, 1891, 2623, 2666, 3782, 5246, 5332, 6665, 7564, 9455, 10492, 13115, 13330, 18910, 26230, 26660, 37820, 52460, 81313, 162626, 325252, 406565, 813130, 1626260]

約数ペア:

[(1, 1626260), (2, 813130), (4, 406565), (5, 325252), (10, 162626), (20, 81313), (31, 52460), (43, 37820), (61, 26660), (62, 26230), (86, 18910), (122, 13330), (124, 13115), (155, 10492), (172, 9455), (215, 7564), (244, 6665), (305, 5332), (310, 5246), (430, 3782), (610, 2666), (620, 2623), (860, 1891), (1220, 1333)]