304875160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 707018400

約数和(自身を除く): 402143240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 157, 172, 215, 314, 344, 430, 628, 785, 860, 1129, 1256, 1570, 1720, 2258, 3140, 4516, 5645, 6280, 6751, 9032, 11290, 13502, 22580, 27004, 33755, 45160, 48547, 54008, 67510, 97094, 135020, 177253, 194188, 242735, 270040, 354506, 388376, 485470, 709012, 886265, 970940, 1418024, 1772530, 1941880, 3545060, 7090120, 7621879, 15243758, 30487516, 38109395, 60975032, 76218790, 152437580, 304875160]

約数ペア:

[(1, 304875160), (2, 152437580), (4, 76218790), (5, 60975032), (8, 38109395), (10, 30487516), (20, 15243758), (40, 7621879), (43, 7090120), (86, 3545060), (157, 1941880), (172, 1772530), (215, 1418024), (314, 970940), (344, 886265), (430, 709012), (628, 485470), (785, 388376), (860, 354506), (1129, 270040), (1256, 242735), (1570, 194188), (1720, 177253), (2258, 135020), (3140, 97094), (4516, 67510), (5645, 54008), (6280, 48547), (6751, 45160), (9032, 33755), (11290, 27004), (13502, 22580)]