256980540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{115757}}^1$

素因数の和:115806

約数の個数: 48

約数和(自身を含む): 738999072

約数和(自身を除く): 482018532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 115757, 231514, 347271, 463028, 578785, 694542, 1157570, 1389084, 1736355, 2315140, 3472710, 4283009, 6945420, 8566018, 12849027, 17132036, 21415045, 25698054, 42830090, 51396108, 64245135, 85660180, 128490270, 256980540]

約数ペア:

[(1, 256980540), (2, 128490270), (3, 85660180), (4, 64245135), (5, 51396108), (6, 42830090), (10, 25698054), (12, 21415045), (15, 17132036), (20, 12849027), (30, 8566018), (37, 6945420), (60, 4283009), (74, 3472710), (111, 2315140), (148, 1736355), (185, 1389084), (222, 1157570), (370, 694542), (444, 578785), (555, 463028), (740, 347271), (1110, 231514), (2220, 115757)]