317966720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21601}}^1$

素因数の和:21643

約数の個数: 64

約数和(自身を含む): 793225440

約数和(自身を除く): 475258720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 21601, 43202, 86404, 108005, 172808, 216010, 345616, 432020, 496823, 691232, 864040, 993646, 1382464, 1728080, 1987292, 2484115, 2764928, 3456160, 3974584, 4968230, 6912320, 7949168, 9936460, 13824640, 15898336, 19872920, 31796672, 39745840, 63593344, 79491680, 158983360, 317966720]

約数ペア:

[(1, 317966720), (2, 158983360), (4, 79491680), (5, 63593344), (8, 39745840), (10, 31796672), (16, 19872920), (20, 15898336), (23, 13824640), (32, 9936460), (40, 7949168), (46, 6912320), (64, 4968230), (80, 3974584), (92, 3456160), (115, 2764928), (128, 2484115), (160, 1987292), (184, 1728080), (230, 1382464), (320, 993646), (368, 864040), (460, 691232), (640, 496823), (736, 432020), (920, 345616), (1472, 216010), (1840, 172808), (2944, 108005), (3680, 86404), (7360, 43202), (14720, 21601)]