66211920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{91961}}^1$

素因数の和:91980

約数の個数: 60

約数和(自身を含む): 222364116

約数和(自身を除く): 156152196

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, 91961, 183922, 275883, 367844, 459805, 551766, 735688, 827649, 919610, 1103532, 1379415, 1471376, 1655298, 1839220, 2207064, 2758830, 3310596, 3678440, 4138245, 4414128, 5517660, 6621192, 7356880, 8276490, 11035320, 13242384, 16552980, 22070640, 33105960, 66211920]

約数ペア:

[(1, 66211920), (2, 33105960), (3, 22070640), (4, 16552980), (5, 13242384), (6, 11035320), (8, 8276490), (9, 7356880), (10, 6621192), (12, 5517660), (15, 4414128), (16, 4138245), (18, 3678440), (20, 3310596), (24, 2758830), (30, 2207064), (36, 1839220), (40, 1655298), (45, 1471376), (48, 1379415), (60, 1103532), (72, 919610), (80, 827649), (90, 735688), (120, 551766), (144, 459805), (180, 367844), (240, 275883), (360, 183922), (720, 91961)]