15331720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13217}}^1$

素因数の和:13257

約数の個数: 32

約数和(自身を含む): 35688600

約数和(自身を除く): 20356880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13217, 26434, 52868, 66085, 105736, 132170, 264340, 383293, 528680, 766586, 1533172, 1916465, 3066344, 3832930, 7665860, 15331720]

約数ペア:

[(1, 15331720), (2, 7665860), (4, 3832930), (5, 3066344), (8, 1916465), (10, 1533172), (20, 766586), (29, 528680), (40, 383293), (58, 264340), (116, 132170), (145, 105736), (232, 66085), (290, 52868), (580, 26434), (1160, 13217)]