72457220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 169814400

約数和(自身を除く): 97357180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 158, 220, 242, 316, 379, 395, 484, 605, 758, 790, 869, 1210, 1516, 1580, 1738, 1895, 2420, 3476, 3790, 4169, 4345, 7580, 8338, 8690, 9559, 16676, 17380, 19118, 20845, 29941, 38236, 41690, 45859, 47795, 59882, 83380, 91718, 95590, 119764, 149705, 183436, 191180, 229295, 299410, 329351, 458590, 598820, 658702, 917180, 1317404, 1646755, 3293510, 3622861, 6587020, 7245722, 14491444, 18114305, 36228610, 72457220]

約数ペア:

[(1, 72457220), (2, 36228610), (4, 18114305), (5, 14491444), (10, 7245722), (11, 6587020), (20, 3622861), (22, 3293510), (44, 1646755), (55, 1317404), (79, 917180), (110, 658702), (121, 598820), (158, 458590), (220, 329351), (242, 299410), (316, 229295), (379, 191180), (395, 183436), (484, 149705), (605, 119764), (758, 95590), (790, 91718), (869, 83380), (1210, 59882), (1516, 47795), (1580, 45859), (1738, 41690), (1895, 38236), (2420, 29941), (3476, 20845), (3790, 19118), (4169, 17380), (4345, 16676), (7580, 9559), (8338, 8690)]