71436780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396871}}^1$

素因数の和:396886

約数の個数: 36

約数和(自身を含む): 216692112

約数和(自身を除く): 145255332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396871, 793742, 1190613, 1587484, 1984355, 2381226, 3571839, 3968710, 4762452, 5953065, 7143678, 7937420, 11906130, 14287356, 17859195, 23812260, 35718390, 71436780]

約数ペア:

[(1, 71436780), (2, 35718390), (3, 23812260), (4, 17859195), (5, 14287356), (6, 11906130), (9, 7937420), (10, 7143678), (12, 5953065), (15, 4762452), (18, 3968710), (20, 3571839), (30, 2381226), (36, 1984355), (45, 1587484), (60, 1190613), (90, 793742), (180, 396871)]