2440140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 6945792

約数和(自身を除く): 4505652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 607, 670, 804, 1005, 1214, 1340, 1821, 2010, 2428, 3035, 3642, 4020, 6070, 7284, 9105, 12140, 18210, 36420, 40669, 81338, 122007, 162676, 203345, 244014, 406690, 488028, 610035, 813380, 1220070, 2440140]

約数ペア:

[(1, 2440140), (2, 1220070), (3, 813380), (4, 610035), (5, 488028), (6, 406690), (10, 244014), (12, 203345), (15, 162676), (20, 122007), (30, 81338), (60, 40669), (67, 36420), (134, 18210), (201, 12140), (268, 9105), (335, 7284), (402, 6070), (607, 4020), (670, 3642), (804, 3035), (1005, 2428), (1214, 2010), (1340, 1821)]