15195640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 21092360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 199, 230, 332, 398, 415, 460, 664, 796, 830, 920, 995, 1592, 1660, 1909, 1990, 3320, 3818, 3980, 4577, 7636, 7960, 9154, 9545, 15272, 16517, 18308, 19090, 22885, 33034, 36616, 38180, 45770, 66068, 76360, 82585, 91540, 132136, 165170, 183080, 330340, 379891, 660680, 759782, 1519564, 1899455, 3039128, 3798910, 7597820, 15195640]

約数ペア:

[(1, 15195640), (2, 7597820), (4, 3798910), (5, 3039128), (8, 1899455), (10, 1519564), (20, 759782), (23, 660680), (40, 379891), (46, 330340), (83, 183080), (92, 165170), (115, 132136), (166, 91540), (184, 82585), (199, 76360), (230, 66068), (332, 45770), (398, 38180), (415, 36616), (460, 33034), (664, 22885), (796, 19090), (830, 18308), (920, 16517), (995, 15272), (1592, 9545), (1660, 9154), (1909, 7960), (1990, 7636), (3320, 4577), (3818, 3980)]