28868280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34367}}^1$

素因数の和:34388

約数の個数: 64

約数和(自身を含む): 98979840

約数和(自身を除く): 70111560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34367, 68734, 103101, 137468, 171835, 206202, 240569, 274936, 343670, 412404, 481138, 515505, 687340, 721707, 824808, 962276, 1031010, 1202845, 1374680, 1443414, 1924552, 2062020, 2405690, 2886828, 3608535, 4124040, 4811380, 5773656, 7217070, 9622760, 14434140, 28868280]

約数ペア:

[(1, 28868280), (2, 14434140), (3, 9622760), (4, 7217070), (5, 5773656), (6, 4811380), (7, 4124040), (8, 3608535), (10, 2886828), (12, 2405690), (14, 2062020), (15, 1924552), (20, 1443414), (21, 1374680), (24, 1202845), (28, 1031010), (30, 962276), (35, 824808), (40, 721707), (42, 687340), (56, 515505), (60, 481138), (70, 412404), (84, 343670), (105, 274936), (120, 240569), (140, 206202), (168, 171835), (210, 137468), (280, 103101), (420, 68734), (840, 34367)]