78163770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19889}}^1$

素因数の和:20030

約数の個数: 32

約数和(自身を含む): 189034560

約数和(自身を除く): 110870790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 19889, 39778, 59667, 99445, 119334, 198890, 298335, 596670, 2605459, 5210918, 7816377, 13027295, 15632754, 26054590, 39081885, 78163770]

約数ペア:

[(1, 78163770), (2, 39081885), (3, 26054590), (5, 15632754), (6, 13027295), (10, 7816377), (15, 5210918), (30, 2605459), (131, 596670), (262, 298335), (393, 198890), (655, 119334), (786, 99445), (1310, 59667), (1965, 39778), (3930, 19889)]