1999539840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1041427}}^1$

素因数の和:1041449

約数の個数: 64

約数和(自身を含む): 6373539360

約数和(自身を除く): 4373999520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 1041427, 2082854, 3124281, 4165708, 5207135, 6248562, 8331416, 10414270, 12497124, 15621405, 16662832, 20828540, 24994248, 31242810, 33325664, 41657080, 49988496, 62485620, 66651328, 83314160, 99976992, 124971240, 133302656, 166628320, 199953984, 249942480, 333256640, 399907968, 499884960, 666513280, 999769920, 1999539840]

約数ペア:

[(1, 1999539840), (2, 999769920), (3, 666513280), (4, 499884960), (5, 399907968), (6, 333256640), (8, 249942480), (10, 199953984), (12, 166628320), (15, 133302656), (16, 124971240), (20, 99976992), (24, 83314160), (30, 66651328), (32, 62485620), (40, 49988496), (48, 41657080), (60, 33325664), (64, 31242810), (80, 24994248), (96, 20828540), (120, 16662832), (128, 15621405), (160, 12497124), (192, 10414270), (240, 8331416), (320, 6248562), (384, 5207135), (480, 4165708), (640, 3124281), (960, 2082854), (1920, 1041427)]