15207020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 33445440

約数和(自身を除く): 18238420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 167, 290, 314, 334, 580, 628, 668, 785, 835, 1570, 1670, 3140, 3340, 4553, 4843, 9106, 9686, 18212, 19372, 22765, 24215, 26219, 45530, 48430, 52438, 91060, 96860, 104876, 131095, 262190, 524380, 760351, 1520702, 3041404, 3801755, 7603510, 15207020]

約数ペア:

[(1, 15207020), (2, 7603510), (4, 3801755), (5, 3041404), (10, 1520702), (20, 760351), (29, 524380), (58, 262190), (116, 131095), (145, 104876), (157, 96860), (167, 91060), (290, 52438), (314, 48430), (334, 45530), (580, 26219), (628, 24215), (668, 22765), (785, 19372), (835, 18212), (1570, 9686), (1670, 9106), (3140, 4843), (3340, 4553)]