157440160

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3631}}^1$

素因数の和:3917

約数の個数: 48

約数和(自身を含む): 373427712

約数和(自身を除く): 215987552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2710, 3631, 4336, 5420, 7262, 8672, 10840, 14524, 18155, 21680, 29048, 36310, 43360, 58096, 72620, 116192, 145240, 290480, 580960, 984001, 1968002, 3936004, 4920005, 7872008, 9840010, 15744016, 19680020, 31488032, 39360040, 78720080, 157440160]

約数ペア:

[(1, 157440160), (2, 78720080), (4, 39360040), (5, 31488032), (8, 19680020), (10, 15744016), (16, 9840010), (20, 7872008), (32, 4920005), (40, 3936004), (80, 1968002), (160, 984001), (271, 580960), (542, 290480), (1084, 145240), (1355, 116192), (2168, 72620), (2710, 58096), (3631, 43360), (4336, 36310), (5420, 29048), (7262, 21680), (8672, 18155), (10840, 14524)]