240720420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{54959}}^1$

素因数の和:55044

約数の個数: 48

約数和(自身を含む): 683262720

約数和(自身を除く): 442542300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 54959, 109918, 164877, 219836, 274795, 329754, 549590, 659508, 824385, 1099180, 1648770, 3297540, 4012007, 8024014, 12036021, 16048028, 20060035, 24072042, 40120070, 48144084, 60180105, 80240140, 120360210, 240720420]

約数ペア:

[(1, 240720420), (2, 120360210), (3, 80240140), (4, 60180105), (5, 48144084), (6, 40120070), (10, 24072042), (12, 20060035), (15, 16048028), (20, 12036021), (30, 8024014), (60, 4012007), (73, 3297540), (146, 1648770), (219, 1099180), (292, 824385), (365, 659508), (438, 549590), (730, 329754), (876, 274795), (1095, 219836), (1460, 164877), (2190, 109918), (4380, 54959)]