64727280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89899}}^1$

素因数の和:89918

約数の個数: 60

約数和(自身を含む): 217378200

約数和(自身を除く): 152650920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89899, 179798, 269697, 359596, 449495, 539394, 719192, 809091, 898990, 1078788, 1348485, 1438384, 1618182, 1797980, 2157576, 2696970, 3236364, 3595960, 4045455, 4315152, 5393940, 6472728, 7191920, 8090910, 10787880, 12945456, 16181820, 21575760, 32363640, 64727280]

約数ペア:

[(1, 64727280), (2, 32363640), (3, 21575760), (4, 16181820), (5, 12945456), (6, 10787880), (8, 8090910), (9, 7191920), (10, 6472728), (12, 5393940), (15, 4315152), (16, 4045455), (18, 3595960), (20, 3236364), (24, 2696970), (30, 2157576), (36, 1797980), (40, 1618182), (45, 1438384), (48, 1348485), (60, 1078788), (72, 898990), (80, 809091), (90, 719192), (120, 539394), (144, 449495), (180, 359596), (240, 269697), (360, 179798), (720, 89899)]