155141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646423}}^1$

素因数の和:646439

約数の個数: 40

約数和(自身を含む): 480939456

約数和(自身を除く): 325797936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646423, 1292846, 1939269, 2585692, 3232115, 3878538, 5171384, 6464230, 7757076, 9696345, 10342768, 12928460, 15514152, 19392690, 25856920, 31028304, 38785380, 51713840, 77570760, 155141520]

約数ペア:

[(1, 155141520), (2, 77570760), (3, 51713840), (4, 38785380), (5, 31028304), (6, 25856920), (8, 19392690), (10, 15514152), (12, 12928460), (15, 10342768), (16, 9696345), (20, 7757076), (24, 6464230), (30, 5171384), (40, 3878538), (48, 3232115), (60, 2585692), (80, 1939269), (120, 1292846), (240, 646423)]