20128800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8387}}^1$

素因数の和:8410

約数の個数: 72

約数和(自身を含む): 65527056

約数和(自身を除く): 45398256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8387, 16774, 25161, 33548, 41935, 50322, 67096, 83870, 100644, 125805, 134192, 167740, 201288, 209675, 251610, 268384, 335480, 402576, 419350, 503220, 629025, 670960, 805152, 838700, 1006440, 1258050, 1341920, 1677400, 2012880, 2516100, 3354800, 4025760, 5032200, 6709600, 10064400, 20128800]

約数ペア:

[(1, 20128800), (2, 10064400), (3, 6709600), (4, 5032200), (5, 4025760), (6, 3354800), (8, 2516100), (10, 2012880), (12, 1677400), (15, 1341920), (16, 1258050), (20, 1006440), (24, 838700), (25, 805152), (30, 670960), (32, 629025), (40, 503220), (48, 419350), (50, 402576), (60, 335480), (75, 268384), (80, 251610), (96, 209675), (100, 201288), (120, 167740), (150, 134192), (160, 125805), (200, 100644), (240, 83870), (300, 67096), (400, 50322), (480, 41935), (600, 33548), (800, 25161), (1200, 16774), (2400, 8387)]