81789420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1363157}}^1$

素因数の和:1363169

約数の個数: 24

約数和(自身を含む): 229010544

約数和(自身を除く): 147221124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1363157, 2726314, 4089471, 5452628, 6815785, 8178942, 13631570, 16357884, 20447355, 27263140, 40894710, 81789420]

約数ペア:

[(1, 81789420), (2, 40894710), (3, 27263140), (4, 20447355), (5, 16357884), (6, 13631570), (10, 8178942), (12, 6815785), (15, 5452628), (20, 4089471), (30, 2726314), (60, 1363157)]