66478640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 60

約数和(自身を含む): 159114816

約数和(自身を除く): 92636176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 607, 740, 1214, 1369, 1480, 2428, 2738, 2960, 3035, 4856, 5476, 6070, 6845, 9712, 10952, 12140, 13690, 21904, 22459, 24280, 27380, 44918, 48560, 54760, 89836, 109520, 112295, 179672, 224590, 359344, 449180, 830983, 898360, 1661966, 1796720, 3323932, 4154915, 6647864, 8309830, 13295728, 16619660, 33239320, 66478640]

約数ペア:

[(1, 66478640), (2, 33239320), (4, 16619660), (5, 13295728), (8, 8309830), (10, 6647864), (16, 4154915), (20, 3323932), (37, 1796720), (40, 1661966), (74, 898360), (80, 830983), (148, 449180), (185, 359344), (296, 224590), (370, 179672), (592, 112295), (607, 109520), (740, 89836), (1214, 54760), (1369, 48560), (1480, 44918), (2428, 27380), (2738, 24280), (2960, 22459), (3035, 21904), (4856, 13690), (5476, 12140), (6070, 10952), (6845, 9712)]