213529920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1008

約数の個数: 112

約数和(自身を含む): 680971968

約数和(自身を除く): 467442048

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, 160, 192, 240, 320, 347, 480, 641, 694, 960, 1041, 1282, 1388, 1735, 1923, 2082, 2564, 2776, 3205, 3470, 3846, 4164, 5128, 5205, 5552, 6410, 6940, 7692, 8328, 9615, 10256, 10410, 11104, 12820, 13880, 15384, 16656, 19230, 20512, 20820, 22208, 25640, 27760, 30768, 33312, 38460, 41024, 41640, 51280, 55520, 61536, 66624, 76920, 83280, 102560, 111040, 123072, 153840, 166560, 205120, 222427, 307680, 333120, 444854, 615360, 667281, 889708, 1112135, 1334562, 1779416, 2224270, 2669124, 3336405, 3558832, 4448540, 5338248, 6672810, 7117664, 8897080, 10676496, 13345620, 14235328, 17794160, 21352992, 26691240, 35588320, 42705984, 53382480, 71176640, 106764960, 213529920]

約数ペア:

[(1, 213529920), (2, 106764960), (3, 71176640), (4, 53382480), (5, 42705984), (6, 35588320), (8, 26691240), (10, 21352992), (12, 17794160), (15, 14235328), (16, 13345620), (20, 10676496), (24, 8897080), (30, 7117664), (32, 6672810), (40, 5338248), (48, 4448540), (60, 3558832), (64, 3336405), (80, 2669124), (96, 2224270), (120, 1779416), (160, 1334562), (192, 1112135), (240, 889708), (320, 667281), (347, 615360), (480, 444854), (641, 333120), (694, 307680), (960, 222427), (1041, 205120), (1282, 166560), (1388, 153840), (1735, 123072), (1923, 111040), (2082, 102560), (2564, 83280), (2776, 76920), (3205, 66624), (3470, 61536), (3846, 55520), (4164, 51280), (5128, 41640), (5205, 41024), (5552, 38460), (6410, 33312), (6940, 30768), (7692, 27760), (8328, 25640), (9615, 22208), (10256, 20820), (10410, 20512), (11104, 19230), (12820, 16656), (13880, 15384)]