19840440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 60147360

約数和(自身を除く): 40306920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1637, 2020, 2424, 3030, 3274, 4040, 4911, 6060, 6548, 8185, 9822, 12120, 13096, 16370, 19644, 24555, 32740, 39288, 49110, 65480, 98220, 165337, 196440, 330674, 496011, 661348, 826685, 992022, 1322696, 1653370, 1984044, 2480055, 3306740, 3968088, 4960110, 6613480, 9920220, 19840440]

約数ペア:

[(1, 19840440), (2, 9920220), (3, 6613480), (4, 4960110), (5, 3968088), (6, 3306740), (8, 2480055), (10, 1984044), (12, 1653370), (15, 1322696), (20, 992022), (24, 826685), (30, 661348), (40, 496011), (60, 330674), (101, 196440), (120, 165337), (202, 98220), (303, 65480), (404, 49110), (505, 39288), (606, 32740), (808, 24555), (1010, 19644), (1212, 16370), (1515, 13096), (1637, 12120), (2020, 9822), (2424, 8185), (3030, 6548), (3274, 6060), (4040, 4911)]