7620780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 21500640

約数和(自身を除く): 13879860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 809, 942, 1570, 1618, 1884, 2355, 2427, 3140, 3236, 4045, 4710, 4854, 8090, 9420, 9708, 12135, 16180, 24270, 48540, 127013, 254026, 381039, 508052, 635065, 762078, 1270130, 1524156, 1905195, 2540260, 3810390, 7620780]

約数ペア:

[(1, 7620780), (2, 3810390), (3, 2540260), (4, 1905195), (5, 1524156), (6, 1270130), (10, 762078), (12, 635065), (15, 508052), (20, 381039), (30, 254026), (60, 127013), (157, 48540), (314, 24270), (471, 16180), (628, 12135), (785, 9708), (809, 9420), (942, 8090), (1570, 4854), (1618, 4710), (1884, 4045), (2355, 3236), (2427, 3140)]