641128920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5342741}}^1$

素因数の和:5342755

約数の個数: 32

約数和(自身を含む): 1923387120

約数和(自身を除く): 1282258200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5342741, 10685482, 16028223, 21370964, 26713705, 32056446, 42741928, 53427410, 64112892, 80141115, 106854820, 128225784, 160282230, 213709640, 320564460, 641128920]

約数ペア:

[(1, 641128920), (2, 320564460), (3, 213709640), (4, 160282230), (5, 128225784), (6, 106854820), (8, 80141115), (10, 64112892), (12, 53427410), (15, 42741928), (20, 32056446), (24, 26713705), (30, 21370964), (40, 16028223), (60, 10685482), (120, 5342741)]