128611440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178627}}^1$

素因数の和:178646

約数の個数: 60

約数和(自身を含む): 431922504

約数和(自身を除く): 303311064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 178627, 357254, 535881, 714508, 893135, 1071762, 1429016, 1607643, 1786270, 2143524, 2679405, 2858032, 3215286, 3572540, 4287048, 5358810, 6430572, 7145080, 8038215, 8574096, 10717620, 12861144, 14290160, 16076430, 21435240, 25722288, 32152860, 42870480, 64305720, 128611440]

約数ペア:

[(1, 128611440), (2, 64305720), (3, 42870480), (4, 32152860), (5, 25722288), (6, 21435240), (8, 16076430), (9, 14290160), (10, 12861144), (12, 10717620), (15, 8574096), (16, 8038215), (18, 7145080), (20, 6430572), (24, 5358810), (30, 4287048), (36, 3572540), (40, 3215286), (45, 2858032), (48, 2679405), (60, 2143524), (72, 1786270), (80, 1607643), (90, 1429016), (120, 1071762), (144, 893135), (180, 714508), (240, 535881), (360, 357254), (720, 178627)]