19268640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13381}}^1$

素因数の和:13402

約数の個数: 72

約数和(自身を含む): 65759148

約数和(自身を除く): 46490508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13381, 26762, 40143, 53524, 66905, 80286, 107048, 120429, 133810, 160572, 200715, 214096, 240858, 267620, 321144, 401430, 428192, 481716, 535240, 602145, 642288, 802860, 963432, 1070480, 1204290, 1284576, 1605720, 1926864, 2140960, 2408580, 3211440, 3853728, 4817160, 6422880, 9634320, 19268640]

約数ペア:

[(1, 19268640), (2, 9634320), (3, 6422880), (4, 4817160), (5, 3853728), (6, 3211440), (8, 2408580), (9, 2140960), (10, 1926864), (12, 1605720), (15, 1284576), (16, 1204290), (18, 1070480), (20, 963432), (24, 802860), (30, 642288), (32, 602145), (36, 535240), (40, 481716), (45, 428192), (48, 401430), (60, 321144), (72, 267620), (80, 240858), (90, 214096), (96, 200715), (120, 160572), (144, 133810), (160, 120429), (180, 107048), (240, 80286), (288, 66905), (360, 53524), (480, 40143), (720, 26762), (1440, 13381)]