318933760

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2467}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 771822576

約数和(自身を除く): 452888816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 640, 808, 1010, 1280, 1616, 2020, 2467, 3232, 4040, 4934, 6464, 8080, 9868, 12335, 12928, 16160, 19736, 24670, 25856, 32320, 39472, 49340, 64640, 78944, 98680, 129280, 157888, 197360, 249167, 315776, 394720, 498334, 631552, 789440, 996668, 1245835, 1578880, 1993336, 2491670, 3157760, 3986672, 4983340, 7973344, 9966680, 15946688, 19933360, 31893376, 39866720, 63786752, 79733440, 159466880, 318933760]

約数ペア:

[(1, 318933760), (2, 159466880), (4, 79733440), (5, 63786752), (8, 39866720), (10, 31893376), (16, 19933360), (20, 15946688), (32, 9966680), (40, 7973344), (64, 4983340), (80, 3986672), (101, 3157760), (128, 2491670), (160, 1993336), (202, 1578880), (256, 1245835), (320, 996668), (404, 789440), (505, 631552), (640, 498334), (808, 394720), (1010, 315776), (1280, 249167), (1616, 197360), (2020, 157888), (2467, 129280), (3232, 98680), (4040, 78944), (4934, 64640), (6464, 49340), (8080, 39472), (9868, 32320), (12335, 25856), (12928, 24670), (16160, 19736)]