19865760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41387}}^1$

素因数の和:41405

約数の個数: 48

約数和(自身を含む): 62578656

約数和(自身を除く): 42712896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41387, 82774, 124161, 165548, 206935, 248322, 331096, 413870, 496644, 620805, 662192, 827740, 993288, 1241610, 1324384, 1655480, 1986576, 2483220, 3310960, 3973152, 4966440, 6621920, 9932880, 19865760]

約数ペア:

[(1, 19865760), (2, 9932880), (3, 6621920), (4, 4966440), (5, 3973152), (6, 3310960), (8, 2483220), (10, 1986576), (12, 1655480), (15, 1324384), (16, 1241610), (20, 993288), (24, 827740), (30, 662192), (32, 620805), (40, 496644), (48, 413870), (60, 331096), (80, 248322), (96, 206935), (120, 165548), (160, 124161), (240, 82774), (480, 41387)]