61631920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 165043008

約数和(自身を除く): 103411088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 701, 785, 1099, 1256, 1402, 1570, 2198, 2512, 2804, 3140, 3505, 4396, 4907, 5495, 5608, 6280, 7010, 8792, 9814, 10990, 11216, 12560, 14020, 17584, 19628, 21980, 24535, 28040, 39256, 43960, 49070, 56080, 78512, 87920, 98140, 110057, 196280, 220114, 392560, 440228, 550285, 770399, 880456, 1100570, 1540798, 1760912, 2201140, 3081596, 3851995, 4402280, 6163192, 7703990, 8804560, 12326384, 15407980, 30815960, 61631920]

約数ペア:

[(1, 61631920), (2, 30815960), (4, 15407980), (5, 12326384), (7, 8804560), (8, 7703990), (10, 6163192), (14, 4402280), (16, 3851995), (20, 3081596), (28, 2201140), (35, 1760912), (40, 1540798), (56, 1100570), (70, 880456), (80, 770399), (112, 550285), (140, 440228), (157, 392560), (280, 220114), (314, 196280), (560, 110057), (628, 98140), (701, 87920), (785, 78512), (1099, 56080), (1256, 49070), (1402, 43960), (1570, 39256), (2198, 28040), (2512, 24535), (2804, 21980), (3140, 19628), (3505, 17584), (4396, 14020), (4907, 12560), (5495, 11216), (5608, 10990), (6280, 9814), (7010, 8792)]