80644140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149341}}^1$

素因数の和:149359

約数の個数: 48

約数和(自身を含む): 250894560

約数和(自身を除く): 170250420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 149341, 298682, 448023, 597364, 746705, 896046, 1344069, 1493410, 1792092, 2240115, 2688138, 2986820, 4032207, 4480230, 5376276, 6720345, 8064414, 8960460, 13440690, 16128828, 20161035, 26881380, 40322070, 80644140]

約数ペア:

[(1, 80644140), (2, 40322070), (3, 26881380), (4, 20161035), (5, 16128828), (6, 13440690), (9, 8960460), (10, 8064414), (12, 6720345), (15, 5376276), (18, 4480230), (20, 4032207), (27, 2986820), (30, 2688138), (36, 2240115), (45, 1792092), (54, 1493410), (60, 1344069), (90, 896046), (108, 746705), (135, 597364), (180, 448023), (270, 298682), (540, 149341)]