80381280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 192

約数和(自身を含む): 296110080

約数和(自身を除く): 215728800

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, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 168, 188, 210, 224, 235, 240, 280, 282, 329, 336, 376, 420, 470, 480, 509, 560, 564, 658, 672, 705, 752, 840, 940, 987, 1018, 1120, 1128, 1316, 1410, 1504, 1527, 1645, 1680, 1880, 1974, 2036, 2256, 2545, 2632, 2820, 3054, 3290, 3360, 3563, 3760, 3948, 4072, 4512, 4935, 5090, 5264, 5640, 6108, 6580, 7126, 7520, 7635, 7896, 8144, 9870, 10180, 10528, 10689, 11280, 12216, 13160, 14252, 15270, 15792, 16288, 17815, 19740, 20360, 21378, 22560, 23923, 24432, 26320, 28504, 30540, 31584, 35630, 39480, 40720, 42756, 47846, 48864, 52640, 53445, 57008, 61080, 71260, 71769, 78960, 81440, 85512, 95692, 106890, 114016, 119615, 122160, 142520, 143538, 157920, 167461, 171024, 191384, 213780, 239230, 244320, 285040, 287076, 334922, 342048, 358845, 382768, 427560, 478460, 502383, 570080, 574152, 669844, 717690, 765536, 837305, 855120, 956920, 1004766, 1148304, 1339688, 1435380, 1674610, 1710240, 1913840, 2009532, 2296608, 2511915, 2679376, 2870760, 3349220, 3827680, 4019064, 5023830, 5358752, 5741520, 6698440, 8038128, 10047660, 11483040, 13396880, 16076256, 20095320, 26793760, 40190640, 80381280]

約数ペア:

[(1, 80381280), (2, 40190640), (3, 26793760), (4, 20095320), (5, 16076256), (6, 13396880), (7, 11483040), (8, 10047660), (10, 8038128), (12, 6698440), (14, 5741520), (15, 5358752), (16, 5023830), (20, 4019064), (21, 3827680), (24, 3349220), (28, 2870760), (30, 2679376), (32, 2511915), (35, 2296608), (40, 2009532), (42, 1913840), (47, 1710240), (48, 1674610), (56, 1435380), (60, 1339688), (70, 1148304), (80, 1004766), (84, 956920), (94, 855120), (96, 837305), (105, 765536), (112, 717690), (120, 669844), (140, 574152), (141, 570080), (160, 502383), (168, 478460), (188, 427560), (210, 382768), (224, 358845), (235, 342048), (240, 334922), (280, 287076), (282, 285040), (329, 244320), (336, 239230), (376, 213780), (420, 191384), (470, 171024), (480, 167461), (509, 157920), (560, 143538), (564, 142520), (658, 122160), (672, 119615), (705, 114016), (752, 106890), (840, 95692), (940, 85512), (987, 81440), (1018, 78960), (1120, 71769), (1128, 71260), (1316, 61080), (1410, 57008), (1504, 53445), (1527, 52640), (1645, 48864), (1680, 47846), (1880, 42756), (1974, 40720), (2036, 39480), (2256, 35630), (2545, 31584), (2632, 30540), (2820, 28504), (3054, 26320), (3290, 24432), (3360, 23923), (3563, 22560), (3760, 21378), (3948, 20360), (4072, 19740), (4512, 17815), (4935, 16288), (5090, 15792), (5264, 15270), (5640, 14252), (6108, 13160), (6580, 12216), (7126, 11280), (7520, 10689), (7635, 10528), (7896, 10180), (8144, 9870)]