72990520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107339}}^1$

素因数の和:107367

約数の個数: 32

約数和(自身を含む): 173890800

約数和(自身を除く): 100900280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 107339, 214678, 429356, 536695, 858712, 1073390, 1824763, 2146780, 3649526, 4293560, 7299052, 9123815, 14598104, 18247630, 36495260, 72990520]

約数ペア:

[(1, 72990520), (2, 36495260), (4, 18247630), (5, 14598104), (8, 9123815), (10, 7299052), (17, 4293560), (20, 3649526), (34, 2146780), (40, 1824763), (68, 1073390), (85, 858712), (136, 536695), (170, 429356), (340, 214678), (680, 107339)]