156939767720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1\times {\mathrm{66071}}^1$

素因数の和:67506

約数の個数: 64

約数和(自身を含む): 361593555840

約数和(自身を除く): 204653788120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1381, 1720, 2762, 5524, 6905, 11048, 13810, 27620, 55240, 59383, 66071, 118766, 132142, 237532, 264284, 296915, 330355, 475064, 528568, 593830, 660710, 1187660, 1321420, 2375320, 2642840, 2841053, 5682106, 11364212, 14205265, 22728424, 28410530, 56821060, 91244051, 113642120, 182488102, 364976204, 456220255, 729952408, 912440510, 1824881020, 3649762040, 3923494193, 7846988386, 15693976772, 19617470965, 31387953544, 39234941930, 78469883860, 156939767720]

約数ペア:

[(1, 156939767720), (2, 78469883860), (4, 39234941930), (5, 31387953544), (8, 19617470965), (10, 15693976772), (20, 7846988386), (40, 3923494193), (43, 3649762040), (86, 1824881020), (172, 912440510), (215, 729952408), (344, 456220255), (430, 364976204), (860, 182488102), (1381, 113642120), (1720, 91244051), (2762, 56821060), (5524, 28410530), (6905, 22728424), (11048, 14205265), (13810, 11364212), (27620, 5682106), (55240, 2841053), (59383, 2642840), (66071, 2375320), (118766, 1321420), (132142, 1187660), (237532, 660710), (264284, 593830), (296915, 528568), (330355, 475064)]