15478740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 47429928

約数和(自身を除く): 31951188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 761, 1017, 1130, 1356, 1522, 1695, 2034, 2260, 2283, 3044, 3390, 3805, 4068, 4566, 5085, 6780, 6849, 7610, 9132, 10170, 11415, 13698, 15220, 20340, 22830, 27396, 34245, 45660, 68490, 85993, 136980, 171986, 257979, 343972, 429965, 515958, 773937, 859930, 1031916, 1289895, 1547874, 1719860, 2579790, 3095748, 3869685, 5159580, 7739370, 15478740]

約数ペア:

[(1, 15478740), (2, 7739370), (3, 5159580), (4, 3869685), (5, 3095748), (6, 2579790), (9, 1719860), (10, 1547874), (12, 1289895), (15, 1031916), (18, 859930), (20, 773937), (30, 515958), (36, 429965), (45, 343972), (60, 257979), (90, 171986), (113, 136980), (180, 85993), (226, 68490), (339, 45660), (452, 34245), (565, 27396), (678, 22830), (761, 20340), (1017, 15220), (1130, 13698), (1356, 11415), (1522, 10170), (1695, 9132), (2034, 7610), (2260, 6849), (2283, 6780), (3044, 5085), (3390, 4566), (3805, 4068)]