78287280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2381}}^1$

素因数の和:2534

約数の個数: 80

約数和(自身を含む): 244564704

約数和(自身を除く): 166277424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2381, 2740, 3288, 4110, 4762, 5480, 6576, 7143, 8220, 9524, 10960, 11905, 14286, 16440, 19048, 23810, 28572, 32880, 35715, 38096, 47620, 57144, 71430, 95240, 114288, 142860, 190480, 285720, 326197, 571440, 652394, 978591, 1304788, 1630985, 1957182, 2609576, 3261970, 3914364, 4892955, 5219152, 6523940, 7828728, 9785910, 13047880, 15657456, 19571820, 26095760, 39143640, 78287280]

約数ペア:

[(1, 78287280), (2, 39143640), (3, 26095760), (4, 19571820), (5, 15657456), (6, 13047880), (8, 9785910), (10, 7828728), (12, 6523940), (15, 5219152), (16, 4892955), (20, 3914364), (24, 3261970), (30, 2609576), (40, 1957182), (48, 1630985), (60, 1304788), (80, 978591), (120, 652394), (137, 571440), (240, 326197), (274, 285720), (411, 190480), (548, 142860), (685, 114288), (822, 95240), (1096, 71430), (1370, 57144), (1644, 47620), (2055, 38096), (2192, 35715), (2381, 32880), (2740, 28572), (3288, 23810), (4110, 19048), (4762, 16440), (5480, 14286), (6576, 11905), (7143, 10960), (8220, 9524)]