61920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1$

素因数の和:64

約数の個数: 72

約数和(自身を含む): 216216

約数和(自身を除く): 154296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4128, 5160, 6192, 6880, 7740, 10320, 12384, 15480, 20640, 30960, 61920]

約数ペア:

[(1, 61920), (2, 30960), (3, 20640), (4, 15480), (5, 12384), (6, 10320), (8, 7740), (9, 6880), (10, 6192), (12, 5160), (15, 4128), (16, 3870), (18, 3440), (20, 3096), (24, 2580), (30, 2064), (32, 1935), (36, 1720), (40, 1548), (43, 1440), (45, 1376), (48, 1290), (60, 1032), (72, 860), (80, 774), (86, 720), (90, 688), (96, 645), (120, 516), (129, 480), (144, 430), (160, 387), (172, 360), (180, 344), (215, 288), (240, 258)]