80413920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55843}}^1$

素因数の和:55864

約数の個数: 72

約数和(自身を含む): 274417416

約数和(自身を除く): 194003496

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, 55843, 111686, 167529, 223372, 279215, 335058, 446744, 502587, 558430, 670116, 837645, 893488, 1005174, 1116860, 1340232, 1675290, 1786976, 2010348, 2233720, 2512935, 2680464, 3350580, 4020696, 4467440, 5025870, 5360928, 6701160, 8041392, 8934880, 10051740, 13402320, 16082784, 20103480, 26804640, 40206960, 80413920]

約数ペア:

[(1, 80413920), (2, 40206960), (3, 26804640), (4, 20103480), (5, 16082784), (6, 13402320), (8, 10051740), (9, 8934880), (10, 8041392), (12, 6701160), (15, 5360928), (16, 5025870), (18, 4467440), (20, 4020696), (24, 3350580), (30, 2680464), (32, 2512935), (36, 2233720), (40, 2010348), (45, 1786976), (48, 1675290), (60, 1340232), (72, 1116860), (80, 1005174), (90, 893488), (96, 837645), (120, 670116), (144, 558430), (160, 502587), (180, 446744), (240, 335058), (288, 279215), (360, 223372), (480, 167529), (720, 111686), (1440, 55843)]