81793620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454409}}^1$

素因数の和:454424

約数の個数: 36

約数和(自身を含む): 248107860

約数和(自身を除く): 166314240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454409, 908818, 1363227, 1817636, 2272045, 2726454, 4089681, 4544090, 5452908, 6816135, 8179362, 9088180, 13632270, 16358724, 20448405, 27264540, 40896810, 81793620]

約数ペア:

[(1, 81793620), (2, 40896810), (3, 27264540), (4, 20448405), (5, 16358724), (6, 13632270), (9, 9088180), (10, 8179362), (12, 6816135), (15, 5452908), (18, 4544090), (20, 4089681), (30, 2726454), (36, 2272045), (45, 1817636), (60, 1363227), (90, 908818), (180, 454409)]