120275920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19031}}^1$

素因数の和:19123

約数の個数: 40

約数和(自身を含む): 283196160

約数和(自身を除く): 162920240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 19031, 38062, 76124, 95155, 152248, 190310, 304496, 380620, 761240, 1503449, 1522480, 3006898, 6013796, 7517245, 12027592, 15034490, 24055184, 30068980, 60137960, 120275920]

約数ペア:

[(1, 120275920), (2, 60137960), (4, 30068980), (5, 24055184), (8, 15034490), (10, 12027592), (16, 7517245), (20, 6013796), (40, 3006898), (79, 1522480), (80, 1503449), (158, 761240), (316, 380620), (395, 304496), (632, 190310), (790, 152248), (1264, 95155), (1580, 76124), (3160, 38062), (6320, 19031)]