80617320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31991}}^1$

素因数の和:32015

約数の個数: 96

約数和(自身を含む): 299445120

約数和(自身を除く): 218827800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31991, 63982, 95973, 127964, 159955, 191946, 223937, 255928, 287919, 319910, 383892, 447874, 479865, 575838, 639820, 671811, 767784, 895748, 959730, 1119685, 1151676, 1279640, 1343622, 1439595, 1791496, 1919460, 2015433, 2239370, 2303352, 2687244, 2879190, 3359055, 3838920, 4030866, 4478740, 5374488, 5758380, 6718110, 8061732, 8957480, 10077165, 11516760, 13436220, 16123464, 20154330, 26872440, 40308660, 80617320]

約数ペア:

[(1, 80617320), (2, 40308660), (3, 26872440), (4, 20154330), (5, 16123464), (6, 13436220), (7, 11516760), (8, 10077165), (9, 8957480), (10, 8061732), (12, 6718110), (14, 5758380), (15, 5374488), (18, 4478740), (20, 4030866), (21, 3838920), (24, 3359055), (28, 2879190), (30, 2687244), (35, 2303352), (36, 2239370), (40, 2015433), (42, 1919460), (45, 1791496), (56, 1439595), (60, 1343622), (63, 1279640), (70, 1151676), (72, 1119685), (84, 959730), (90, 895748), (105, 767784), (120, 671811), (126, 639820), (140, 575838), (168, 479865), (180, 447874), (210, 383892), (252, 319910), (280, 287919), (315, 255928), (360, 223937), (420, 191946), (504, 159955), (630, 127964), (840, 95973), (1260, 63982), (2520, 31991)]