120418960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 296856000

約数和(自身を除く): 176437040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 227, 304, 349, 380, 454, 698, 760, 908, 1135, 1396, 1520, 1745, 1816, 2270, 2792, 3490, 3632, 4313, 4540, 5584, 6631, 6980, 8626, 9080, 13262, 13960, 17252, 18160, 21565, 26524, 27920, 33155, 34504, 43130, 53048, 66310, 69008, 79223, 86260, 106096, 132620, 158446, 172520, 265240, 316892, 345040, 396115, 530480, 633784, 792230, 1267568, 1505237, 1584460, 3010474, 3168920, 6020948, 6337840, 7526185, 12041896, 15052370, 24083792, 30104740, 60209480, 120418960]

約数ペア:

[(1, 120418960), (2, 60209480), (4, 30104740), (5, 24083792), (8, 15052370), (10, 12041896), (16, 7526185), (19, 6337840), (20, 6020948), (38, 3168920), (40, 3010474), (76, 1584460), (80, 1505237), (95, 1267568), (152, 792230), (190, 633784), (227, 530480), (304, 396115), (349, 345040), (380, 316892), (454, 265240), (698, 172520), (760, 158446), (908, 132620), (1135, 106096), (1396, 86260), (1520, 79223), (1745, 69008), (1816, 66310), (2270, 53048), (2792, 43130), (3490, 34504), (3632, 33155), (4313, 27920), (4540, 26524), (5584, 21565), (6631, 18160), (6980, 17252), (8626, 13960), (9080, 13262)]