72209960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13177}}^1$

素因数の和:13325

約数の個数: 32

約数和(自身を含む): 163670760

約数和(自身を除く): 91460800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13177, 26354, 52708, 65885, 105416, 131770, 263540, 527080, 1805249, 3610498, 7220996, 9026245, 14441992, 18052490, 36104980, 72209960]

約数ペア:

[(1, 72209960), (2, 36104980), (4, 18052490), (5, 14441992), (8, 9026245), (10, 7220996), (20, 3610498), (40, 1805249), (137, 527080), (274, 263540), (548, 131770), (685, 105416), (1096, 65885), (1370, 52708), (2740, 26354), (5480, 13177)]