9912720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 31105152

約数和(自身を除く): 21192432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 401, 412, 515, 618, 802, 824, 1030, 1203, 1236, 1545, 1604, 1648, 2005, 2060, 2406, 2472, 3090, 3208, 4010, 4120, 4812, 4944, 6015, 6180, 6416, 8020, 8240, 9624, 12030, 12360, 16040, 19248, 24060, 24720, 32080, 41303, 48120, 82606, 96240, 123909, 165212, 206515, 247818, 330424, 413030, 495636, 619545, 660848, 826060, 991272, 1239090, 1652120, 1982544, 2478180, 3304240, 4956360, 9912720]

約数ペア:

[(1, 9912720), (2, 4956360), (3, 3304240), (4, 2478180), (5, 1982544), (6, 1652120), (8, 1239090), (10, 991272), (12, 826060), (15, 660848), (16, 619545), (20, 495636), (24, 413030), (30, 330424), (40, 247818), (48, 206515), (60, 165212), (80, 123909), (103, 96240), (120, 82606), (206, 48120), (240, 41303), (309, 32080), (401, 24720), (412, 24060), (515, 19248), (618, 16040), (802, 12360), (824, 12030), (1030, 9624), (1203, 8240), (1236, 8020), (1545, 6416), (1604, 6180), (1648, 6015), (2005, 4944), (2060, 4812), (2406, 4120), (2472, 4010), (3090, 3208)]