121338760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^2$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 278737740

約数和(自身を除く): 157398980

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 223, 244, 305, 446, 488, 610, 892, 1115, 1220, 1784, 2230, 2440, 4460, 8920, 13603, 27206, 49729, 54412, 68015, 99458, 108824, 136030, 198916, 248645, 272060, 397832, 497290, 544120, 994580, 1989160, 3033469, 6066938, 12133876, 15167345, 24267752, 30334690, 60669380, 121338760]

約数ペア:

[(1, 121338760), (2, 60669380), (4, 30334690), (5, 24267752), (8, 15167345), (10, 12133876), (20, 6066938), (40, 3033469), (61, 1989160), (122, 994580), (223, 544120), (244, 497290), (305, 397832), (446, 272060), (488, 248645), (610, 198916), (892, 136030), (1115, 108824), (1220, 99458), (1784, 68015), (2230, 54412), (2440, 49729), (4460, 27206), (8920, 13603)]