15080620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 33149088

約数和(自身を除く): 18068468

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 347, 410, 530, 694, 820, 1060, 1388, 1735, 2173, 3470, 4346, 6940, 8692, 10865, 14227, 18391, 21730, 28454, 36782, 43460, 56908, 71135, 73564, 91955, 142270, 183910, 284540, 367820, 754031, 1508062, 3016124, 3770155, 7540310, 15080620]

約数ペア:

[(1, 15080620), (2, 7540310), (4, 3770155), (5, 3016124), (10, 1508062), (20, 754031), (41, 367820), (53, 284540), (82, 183910), (106, 142270), (164, 91955), (205, 73564), (212, 71135), (265, 56908), (347, 43460), (410, 36782), (530, 28454), (694, 21730), (820, 18391), (1060, 14227), (1388, 10865), (1735, 8692), (2173, 6940), (3470, 4346)]