317967840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{220811}}^1$

素因数の和:220832

約数の個数: 72

約数和(自身を含む): 1085070168

約数和(自身を除く): 767102328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 220811, 441622, 662433, 883244, 1104055, 1324866, 1766488, 1987299, 2208110, 2649732, 3312165, 3532976, 3974598, 4416220, 5299464, 6624330, 7065952, 7949196, 8832440, 9936495, 10598928, 13248660, 15898392, 17664880, 19872990, 21197856, 26497320, 31796784, 35329760, 39745980, 52994640, 63593568, 79491960, 105989280, 158983920, 317967840]

約数ペア:

[(1, 317967840), (2, 158983920), (3, 105989280), (4, 79491960), (5, 63593568), (6, 52994640), (8, 39745980), (9, 35329760), (10, 31796784), (12, 26497320), (15, 21197856), (16, 19872990), (18, 17664880), (20, 15898392), (24, 13248660), (30, 10598928), (32, 9936495), (36, 8832440), (40, 7949196), (45, 7065952), (48, 6624330), (60, 5299464), (72, 4416220), (80, 3974598), (90, 3532976), (96, 3312165), (120, 2649732), (144, 2208110), (160, 1987299), (180, 1766488), (240, 1324866), (288, 1104055), (360, 883244), (480, 662433), (720, 441622), (1440, 220811)]