15691440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{65381}}^1$

素因数の和:65397

約数の個数: 40

約数和(自身を含む): 48644208

約数和(自身を除く): 32952768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 65381, 130762, 196143, 261524, 326905, 392286, 523048, 653810, 784572, 980715, 1046096, 1307620, 1569144, 1961430, 2615240, 3138288, 3922860, 5230480, 7845720, 15691440]

約数ペア:

[(1, 15691440), (2, 7845720), (3, 5230480), (4, 3922860), (5, 3138288), (6, 2615240), (8, 1961430), (10, 1569144), (12, 1307620), (15, 1046096), (16, 980715), (20, 784572), (24, 653810), (30, 523048), (40, 392286), (48, 326905), (60, 261524), (80, 196143), (120, 130762), (240, 65381)]