268565720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 615859200

約数和(自身を除く): 347293480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 131, 214, 262, 428, 479, 524, 535, 655, 856, 958, 1048, 1070, 1310, 1916, 2140, 2395, 2620, 3832, 4280, 4790, 5240, 9580, 14017, 19160, 28034, 51253, 56068, 62749, 70085, 102506, 112136, 125498, 140170, 205012, 250996, 256265, 280340, 313745, 410024, 501992, 512530, 560680, 627490, 1025060, 1254980, 2050120, 2509960, 6714143, 13428286, 26856572, 33570715, 53713144, 67141430, 134282860, 268565720]

約数ペア:

[(1, 268565720), (2, 134282860), (4, 67141430), (5, 53713144), (8, 33570715), (10, 26856572), (20, 13428286), (40, 6714143), (107, 2509960), (131, 2050120), (214, 1254980), (262, 1025060), (428, 627490), (479, 560680), (524, 512530), (535, 501992), (655, 410024), (856, 313745), (958, 280340), (1048, 256265), (1070, 250996), (1310, 205012), (1916, 140170), (2140, 125498), (2395, 112136), (2620, 102506), (3832, 70085), (4280, 62749), (4790, 56068), (5240, 51253), (9580, 28034), (14017, 19160)]