123327920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^2$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 297320256

約数和(自身を除く): 173992336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 223, 248, 310, 446, 496, 620, 892, 1115, 1240, 1784, 2230, 2480, 3568, 4460, 6913, 8920, 13826, 17840, 27652, 34565, 49729, 55304, 69130, 99458, 110608, 138260, 198916, 248645, 276520, 397832, 497290, 553040, 795664, 994580, 1541599, 1989160, 3083198, 3978320, 6166396, 7707995, 12332792, 15415990, 24665584, 30831980, 61663960, 123327920]

約数ペア:

[(1, 123327920), (2, 61663960), (4, 30831980), (5, 24665584), (8, 15415990), (10, 12332792), (16, 7707995), (20, 6166396), (31, 3978320), (40, 3083198), (62, 1989160), (80, 1541599), (124, 994580), (155, 795664), (223, 553040), (248, 497290), (310, 397832), (446, 276520), (496, 248645), (620, 198916), (892, 138260), (1115, 110608), (1240, 99458), (1784, 69130), (2230, 55304), (2480, 49729), (3568, 34565), (4460, 27652), (6913, 17840), (8920, 13826)]