820248120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{661}}^1$

素因数の和:1067

約数の個数: 160

約数和(自身を含む): 2768325120

約数和(自身を除く): 1948077000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 383, 405, 540, 648, 661, 766, 810, 1080, 1149, 1322, 1532, 1620, 1915, 1983, 2298, 2644, 3064, 3240, 3305, 3447, 3830, 3966, 4596, 5288, 5745, 5949, 6610, 6894, 7660, 7932, 9192, 9915, 10341, 11490, 11898, 13220, 13788, 15320, 15864, 17235, 17847, 19830, 20682, 22980, 23796, 26440, 27576, 29745, 31023, 34470, 35694, 39660, 41364, 45960, 47592, 51705, 53541, 59490, 62046, 68940, 71388, 79320, 82728, 89235, 103410, 107082, 118980, 124092, 137880, 142776, 155115, 178470, 206820, 214164, 237960, 248184, 253163, 267705, 310230, 356940, 413640, 428328, 506326, 535410, 620460, 713880, 759489, 1012652, 1070820, 1240920, 1265815, 1518978, 2025304, 2141640, 2278467, 2531630, 3037956, 3797445, 4556934, 5063260, 6075912, 6835401, 7594890, 9113868, 10126520, 11392335, 13670802, 15189780, 18227736, 20506203, 22784670, 27341604, 30379560, 34177005, 41012406, 45569340, 54683208, 68354010, 82024812, 91138680, 102531015, 136708020, 164049624, 205062030, 273416040, 410124060, 820248120]

約数ペア:

[(1, 820248120), (2, 410124060), (3, 273416040), (4, 205062030), (5, 164049624), (6, 136708020), (8, 102531015), (9, 91138680), (10, 82024812), (12, 68354010), (15, 54683208), (18, 45569340), (20, 41012406), (24, 34177005), (27, 30379560), (30, 27341604), (36, 22784670), (40, 20506203), (45, 18227736), (54, 15189780), (60, 13670802), (72, 11392335), (81, 10126520), (90, 9113868), (108, 7594890), (120, 6835401), (135, 6075912), (162, 5063260), (180, 4556934), (216, 3797445), (270, 3037956), (324, 2531630), (360, 2278467), (383, 2141640), (405, 2025304), (540, 1518978), (648, 1265815), (661, 1240920), (766, 1070820), (810, 1012652), (1080, 759489), (1149, 713880), (1322, 620460), (1532, 535410), (1620, 506326), (1915, 428328), (1983, 413640), (2298, 356940), (2644, 310230), (3064, 267705), (3240, 253163), (3305, 248184), (3447, 237960), (3830, 214164), (3966, 206820), (4596, 178470), (5288, 155115), (5745, 142776), (5949, 137880), (6610, 124092), (6894, 118980), (7660, 107082), (7932, 103410), (9192, 89235), (9915, 82728), (10341, 79320), (11490, 71388), (11898, 68940), (13220, 62046), (13788, 59490), (15320, 53541), (15864, 51705), (17235, 47592), (17847, 45960), (19830, 41364), (20682, 39660), (22980, 35694), (23796, 34470), (26440, 31023), (27576, 29745)]