299390720

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1549}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 722349600

約数和(自身を除く): 422958880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 604, 640, 755, 1208, 1280, 1510, 1549, 2416, 3020, 3098, 4832, 6040, 6196, 7745, 9664, 12080, 12392, 15490, 19328, 24160, 24784, 30980, 38656, 48320, 49568, 61960, 96640, 99136, 123920, 193280, 198272, 233899, 247840, 396544, 467798, 495680, 935596, 991360, 1169495, 1871192, 1982720, 2338990, 3742384, 4677980, 7484768, 9355960, 14969536, 18711920, 29939072, 37423840, 59878144, 74847680, 149695360, 299390720]

約数ペア:

[(1, 299390720), (2, 149695360), (4, 74847680), (5, 59878144), (8, 37423840), (10, 29939072), (16, 18711920), (20, 14969536), (32, 9355960), (40, 7484768), (64, 4677980), (80, 3742384), (128, 2338990), (151, 1982720), (160, 1871192), (256, 1169495), (302, 991360), (320, 935596), (604, 495680), (640, 467798), (755, 396544), (1208, 247840), (1280, 233899), (1510, 198272), (1549, 193280), (2416, 123920), (3020, 99136), (3098, 96640), (4832, 61960), (6040, 49568), (6196, 48320), (7745, 38656), (9664, 30980), (12080, 24784), (12392, 24160), (15490, 19328)]