80799720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4519}}^1$

素因数の和:4682

約数の個数: 64

約数和(自身を含む): 244080000

約数和(自身を除く): 163280280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 4519, 5960, 8940, 9038, 13557, 17880, 18076, 22595, 27114, 36152, 45190, 54228, 67785, 90380, 108456, 135570, 180760, 271140, 542280, 673331, 1346662, 2019993, 2693324, 3366655, 4039986, 5386648, 6733310, 8079972, 10099965, 13466620, 16159944, 20199930, 26933240, 40399860, 80799720]

約数ペア:

[(1, 80799720), (2, 40399860), (3, 26933240), (4, 20199930), (5, 16159944), (6, 13466620), (8, 10099965), (10, 8079972), (12, 6733310), (15, 5386648), (20, 4039986), (24, 3366655), (30, 2693324), (40, 2019993), (60, 1346662), (120, 673331), (149, 542280), (298, 271140), (447, 180760), (596, 135570), (745, 108456), (894, 90380), (1192, 67785), (1490, 54228), (1788, 45190), (2235, 36152), (2980, 27114), (3576, 22595), (4470, 18076), (4519, 17880), (5960, 13557), (8940, 9038)]