163277940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{388757}}^1$

素因数の和:388776

約数の個数: 48

約数和(自身を含む): 522490752

約数和(自身を除く): 359212812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 388757, 777514, 1166271, 1555028, 1943785, 2332542, 2721299, 3887570, 4665084, 5442598, 5831355, 7775140, 8163897, 10885196, 11662710, 13606495, 16327794, 23325420, 27212990, 32655588, 40819485, 54425980, 81638970, 163277940]

約数ペア:

[(1, 163277940), (2, 81638970), (3, 54425980), (4, 40819485), (5, 32655588), (6, 27212990), (7, 23325420), (10, 16327794), (12, 13606495), (14, 11662710), (15, 10885196), (20, 8163897), (21, 7775140), (28, 5831355), (30, 5442598), (35, 4665084), (42, 3887570), (60, 2721299), (70, 2332542), (84, 1943785), (105, 1555028), (140, 1166271), (210, 777514), (420, 388757)]