19477680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81157}}^1$

素因数の和:81173

約数の個数: 40

約数和(自身を含む): 60381552

約数和(自身を除く): 40903872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81157, 162314, 243471, 324628, 405785, 486942, 649256, 811570, 973884, 1217355, 1298512, 1623140, 1947768, 2434710, 3246280, 3895536, 4869420, 6492560, 9738840, 19477680]

約数ペア:

[(1, 19477680), (2, 9738840), (3, 6492560), (4, 4869420), (5, 3895536), (6, 3246280), (8, 2434710), (10, 1947768), (12, 1623140), (15, 1298512), (16, 1217355), (20, 973884), (24, 811570), (30, 649256), (40, 486942), (48, 405785), (60, 324628), (80, 243471), (120, 162314), (240, 81157)]