15417820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 37269792

約数和(自身を除く): 21851972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 277, 460, 484, 506, 554, 605, 1012, 1108, 1210, 1265, 1385, 2420, 2530, 2770, 2783, 3047, 5060, 5540, 5566, 6094, 6371, 11132, 12188, 12742, 13915, 15235, 25484, 27830, 30470, 31855, 33517, 55660, 60940, 63710, 67034, 70081, 127420, 134068, 140162, 167585, 280324, 335170, 350405, 670340, 700810, 770891, 1401620, 1541782, 3083564, 3854455, 7708910, 15417820]

約数ペア:

[(1, 15417820), (2, 7708910), (4, 3854455), (5, 3083564), (10, 1541782), (11, 1401620), (20, 770891), (22, 700810), (23, 670340), (44, 350405), (46, 335170), (55, 280324), (92, 167585), (110, 140162), (115, 134068), (121, 127420), (220, 70081), (230, 67034), (242, 63710), (253, 60940), (277, 55660), (460, 33517), (484, 31855), (506, 30470), (554, 27830), (605, 25484), (1012, 15235), (1108, 13915), (1210, 12742), (1265, 12188), (1385, 11132), (2420, 6371), (2530, 6094), (2770, 5566), (2783, 5540), (3047, 5060)]