30977940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73757}}^1$

素因数の和:73776

約数の個数: 48

約数和(自身を含む): 99130752

約数和(自身を除く): 68152812

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, 73757, 147514, 221271, 295028, 368785, 442542, 516299, 737570, 885084, 1032598, 1106355, 1475140, 1548897, 2065196, 2212710, 2581495, 3097794, 4425420, 5162990, 6195588, 7744485, 10325980, 15488970, 30977940]

約数ペア:

[(1, 30977940), (2, 15488970), (3, 10325980), (4, 7744485), (5, 6195588), (6, 5162990), (7, 4425420), (10, 3097794), (12, 2581495), (14, 2212710), (15, 2065196), (20, 1548897), (21, 1475140), (28, 1106355), (30, 1032598), (35, 885084), (42, 737570), (60, 516299), (70, 442542), (84, 368785), (105, 295028), (140, 221271), (210, 147514), (420, 73757)]