305861520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1274423}}^1$

素因数の和:1274439

約数の個数: 40

約数和(自身を含む): 948171456

約数和(自身を除く): 642309936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1274423, 2548846, 3823269, 5097692, 6372115, 7646538, 10195384, 12744230, 15293076, 19116345, 20390768, 25488460, 30586152, 38232690, 50976920, 61172304, 76465380, 101953840, 152930760, 305861520]

約数ペア:

[(1, 305861520), (2, 152930760), (3, 101953840), (4, 76465380), (5, 61172304), (6, 50976920), (8, 38232690), (10, 30586152), (12, 25488460), (15, 20390768), (16, 19116345), (20, 15293076), (24, 12744230), (30, 10195384), (40, 7646538), (48, 6372115), (60, 5097692), (80, 3823269), (120, 2548846), (240, 1274423)]