80818080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 296110080

約数和(自身を除く): 215292000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 96, 105, 112, 120, 134, 140, 160, 168, 201, 210, 224, 240, 268, 280, 335, 336, 359, 402, 420, 469, 480, 536, 560, 670, 672, 718, 804, 840, 938, 1005, 1072, 1077, 1120, 1340, 1407, 1436, 1608, 1680, 1795, 1876, 2010, 2144, 2154, 2345, 2513, 2680, 2814, 2872, 3216, 3360, 3590, 3752, 4020, 4308, 4690, 5026, 5360, 5385, 5628, 5744, 6432, 7035, 7180, 7504, 7539, 8040, 8616, 9380, 10052, 10720, 10770, 11256, 11488, 12565, 14070, 14360, 15008, 15078, 16080, 17232, 18760, 20104, 21540, 22512, 24053, 25130, 28140, 28720, 30156, 32160, 34464, 37520, 37695, 40208, 43080, 45024, 48106, 50260, 56280, 57440, 60312, 72159, 75040, 75390, 80416, 86160, 96212, 100520, 112560, 120265, 120624, 144318, 150780, 168371, 172320, 192424, 201040, 225120, 240530, 241248, 288636, 301560, 336742, 360795, 384848, 402080, 481060, 505113, 577272, 603120, 673484, 721590, 769696, 841855, 962120, 1010226, 1154544, 1206240, 1346968, 1443180, 1683710, 1924240, 2020452, 2309088, 2525565, 2693936, 2886360, 3367420, 3848480, 4040904, 5051130, 5387872, 5772720, 6734840, 8081808, 10102260, 11545440, 13469680, 16163616, 20204520, 26939360, 40409040, 80818080]

約数ペア:

[(1, 80818080), (2, 40409040), (3, 26939360), (4, 20204520), (5, 16163616), (6, 13469680), (7, 11545440), (8, 10102260), (10, 8081808), (12, 6734840), (14, 5772720), (15, 5387872), (16, 5051130), (20, 4040904), (21, 3848480), (24, 3367420), (28, 2886360), (30, 2693936), (32, 2525565), (35, 2309088), (40, 2020452), (42, 1924240), (48, 1683710), (56, 1443180), (60, 1346968), (67, 1206240), (70, 1154544), (80, 1010226), (84, 962120), (96, 841855), (105, 769696), (112, 721590), (120, 673484), (134, 603120), (140, 577272), (160, 505113), (168, 481060), (201, 402080), (210, 384848), (224, 360795), (240, 336742), (268, 301560), (280, 288636), (335, 241248), (336, 240530), (359, 225120), (402, 201040), (420, 192424), (469, 172320), (480, 168371), (536, 150780), (560, 144318), (670, 120624), (672, 120265), (718, 112560), (804, 100520), (840, 96212), (938, 86160), (1005, 80416), (1072, 75390), (1077, 75040), (1120, 72159), (1340, 60312), (1407, 57440), (1436, 56280), (1608, 50260), (1680, 48106), (1795, 45024), (1876, 43080), (2010, 40208), (2144, 37695), (2154, 37520), (2345, 34464), (2513, 32160), (2680, 30156), (2814, 28720), (2872, 28140), (3216, 25130), (3360, 24053), (3590, 22512), (3752, 21540), (4020, 20104), (4308, 18760), (4690, 17232), (5026, 16080), (5360, 15078), (5385, 15008), (5628, 14360), (5744, 14070), (6432, 12565), (7035, 11488), (7180, 11256), (7504, 10770), (7539, 10720), (8040, 10052), (8616, 9380)]