219842080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 541900800

約数和(自身を除く): 322058720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 155, 160, 248, 254, 310, 349, 496, 508, 620, 635, 698, 992, 1016, 1240, 1270, 1396, 1745, 2032, 2480, 2540, 2792, 3490, 3937, 4064, 4960, 5080, 5584, 6980, 7874, 10160, 10819, 11168, 13960, 15748, 19685, 20320, 21638, 27920, 31496, 39370, 43276, 44323, 54095, 55840, 62992, 78740, 86552, 88646, 108190, 125984, 157480, 173104, 177292, 216380, 221615, 314960, 346208, 354584, 432760, 443230, 629920, 709168, 865520, 886460, 1374013, 1418336, 1731040, 1772920, 2748026, 3545840, 5496052, 6870065, 7091680, 10992104, 13740130, 21984208, 27480260, 43968416, 54960520, 109921040, 219842080]

約数ペア:

[(1, 219842080), (2, 109921040), (4, 54960520), (5, 43968416), (8, 27480260), (10, 21984208), (16, 13740130), (20, 10992104), (31, 7091680), (32, 6870065), (40, 5496052), (62, 3545840), (80, 2748026), (124, 1772920), (127, 1731040), (155, 1418336), (160, 1374013), (248, 886460), (254, 865520), (310, 709168), (349, 629920), (496, 443230), (508, 432760), (620, 354584), (635, 346208), (698, 314960), (992, 221615), (1016, 216380), (1240, 177292), (1270, 173104), (1396, 157480), (1745, 125984), (2032, 108190), (2480, 88646), (2540, 86552), (2792, 78740), (3490, 62992), (3937, 55840), (4064, 54095), (4960, 44323), (5080, 43276), (5584, 39370), (6980, 31496), (7874, 27920), (10160, 21638), (10819, 20320), (11168, 19685), (13960, 15748)]