128073840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{533641}}^1$

素因数の和:533657

約数の個数: 40

約数和(自身を含む): 397029648

約数和(自身を除く): 268955808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 533641, 1067282, 1600923, 2134564, 2668205, 3201846, 4269128, 5336410, 6403692, 8004615, 8538256, 10672820, 12807384, 16009230, 21345640, 25614768, 32018460, 42691280, 64036920, 128073840]

約数ペア:

[(1, 128073840), (2, 64036920), (3, 42691280), (4, 32018460), (5, 25614768), (6, 21345640), (8, 16009230), (10, 12807384), (12, 10672820), (15, 8538256), (16, 8004615), (20, 6403692), (24, 5336410), (30, 4269128), (40, 3201846), (48, 2668205), (60, 2134564), (80, 1600923), (120, 1067282), (240, 533641)]