277927680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 895222944

約数和(自身を除く): 617295264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 256, 314, 320, 384, 461, 471, 480, 628, 640, 768, 785, 922, 942, 960, 1256, 1280, 1383, 1570, 1844, 1884, 1920, 2305, 2355, 2512, 2766, 3140, 3688, 3768, 3840, 4610, 4710, 5024, 5532, 6280, 6915, 7376, 7536, 9220, 9420, 10048, 11064, 12560, 13830, 14752, 15072, 18440, 18840, 20096, 22128, 25120, 27660, 29504, 30144, 36880, 37680, 40192, 44256, 50240, 55320, 59008, 60288, 72377, 73760, 75360, 88512, 100480, 110640, 118016, 120576, 144754, 147520, 150720, 177024, 200960, 217131, 221280, 289508, 295040, 301440, 354048, 361885, 434262, 442560, 579016, 590080, 602880, 723770, 868524, 885120, 1085655, 1158032, 1447540, 1737048, 1770240, 2171310, 2316064, 2895080, 3474096, 4342620, 4632128, 5790160, 6948192, 8685240, 9264256, 11580320, 13896384, 17370480, 18528512, 23160640, 27792768, 34740960, 46321280, 55585536, 69481920, 92642560, 138963840, 277927680]

約数ペア:

[(1, 277927680), (2, 138963840), (3, 92642560), (4, 69481920), (5, 55585536), (6, 46321280), (8, 34740960), (10, 27792768), (12, 23160640), (15, 18528512), (16, 17370480), (20, 13896384), (24, 11580320), (30, 9264256), (32, 8685240), (40, 6948192), (48, 5790160), (60, 4632128), (64, 4342620), (80, 3474096), (96, 2895080), (120, 2316064), (128, 2171310), (157, 1770240), (160, 1737048), (192, 1447540), (240, 1158032), (256, 1085655), (314, 885120), (320, 868524), (384, 723770), (461, 602880), (471, 590080), (480, 579016), (628, 442560), (640, 434262), (768, 361885), (785, 354048), (922, 301440), (942, 295040), (960, 289508), (1256, 221280), (1280, 217131), (1383, 200960), (1570, 177024), (1844, 150720), (1884, 147520), (1920, 144754), (2305, 120576), (2355, 118016), (2512, 110640), (2766, 100480), (3140, 88512), (3688, 75360), (3768, 73760), (3840, 72377), (4610, 60288), (4710, 59008), (5024, 55320), (5532, 50240), (6280, 44256), (6915, 40192), (7376, 37680), (7536, 36880), (9220, 30144), (9420, 29504), (10048, 27660), (11064, 25120), (12560, 22128), (13830, 20096), (14752, 18840), (15072, 18440)]