686330820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 240

約数和(自身を含む): 2546691840

約数和(自身を除く): 1860361020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 162, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 324, 348, 378, 405, 406, 420, 435, 522, 540, 567, 580, 609, 630, 756, 783, 810, 812, 870, 945, 1015, 1044, 1134, 1218, 1260, 1305, 1566, 1620, 1740, 1827, 1890, 2030, 2087, 2268, 2349, 2436, 2610, 2835, 3045, 3132, 3654, 3780, 3915, 4060, 4174, 4698, 5220, 5481, 5670, 6090, 6261, 7308, 7830, 8348, 9135, 9396, 10435, 10962, 11340, 11745, 12180, 12522, 14609, 15660, 16443, 18270, 18783, 20870, 21924, 23490, 25044, 27405, 29218, 31305, 32886, 36540, 37566, 41740, 43827, 46980, 54810, 56349, 58436, 60523, 62610, 65772, 73045, 75132, 82215, 87654, 93915, 109620, 112698, 121046, 125220, 131481, 146090, 164430, 169047, 175308, 181569, 187830, 219135, 225396, 242092, 262962, 281745, 292180, 302615, 328860, 338094, 363138, 375660, 394443, 423661, 438270, 525924, 544707, 563490, 605230, 657405, 676188, 726276, 788886, 845235, 847322, 876540, 907845, 1089414, 1126980, 1183329, 1210460, 1270983, 1314810, 1577772, 1634121, 1690470, 1694644, 1815690, 1972215, 2118305, 2178828, 2366658, 2541966, 2629620, 2723535, 3268242, 3380940, 3631380, 3812949, 3944430, 4236610, 4733316, 4902363, 5083932, 5447070, 5916645, 6354915, 6536484, 7625898, 7888860, 8170605, 8473220, 9804726, 10894140, 11438847, 11833290, 12709830, 15251796, 16341210, 19064745, 19609452, 22877694, 23666580, 24511815, 25419660, 32682420, 34316541, 38129490, 45755388, 49023630, 57194235, 68633082, 76258980, 98047260, 114388470, 137266164, 171582705, 228776940, 343165410, 686330820]

約数ペア:

[(1, 686330820), (2, 343165410), (3, 228776940), (4, 171582705), (5, 137266164), (6, 114388470), (7, 98047260), (9, 76258980), (10, 68633082), (12, 57194235), (14, 49023630), (15, 45755388), (18, 38129490), (20, 34316541), (21, 32682420), (27, 25419660), (28, 24511815), (29, 23666580), (30, 22877694), (35, 19609452), (36, 19064745), (42, 16341210), (45, 15251796), (54, 12709830), (58, 11833290), (60, 11438847), (63, 10894140), (70, 9804726), (81, 8473220), (84, 8170605), (87, 7888860), (90, 7625898), (105, 6536484), (108, 6354915), (116, 5916645), (126, 5447070), (135, 5083932), (140, 4902363), (145, 4733316), (162, 4236610), (174, 3944430), (180, 3812949), (189, 3631380), (203, 3380940), (210, 3268242), (252, 2723535), (261, 2629620), (270, 2541966), (290, 2366658), (315, 2178828), (324, 2118305), (348, 1972215), (378, 1815690), (405, 1694644), (406, 1690470), (420, 1634121), (435, 1577772), (522, 1314810), (540, 1270983), (567, 1210460), (580, 1183329), (609, 1126980), (630, 1089414), (756, 907845), (783, 876540), (810, 847322), (812, 845235), (870, 788886), (945, 726276), (1015, 676188), (1044, 657405), (1134, 605230), (1218, 563490), (1260, 544707), (1305, 525924), (1566, 438270), (1620, 423661), (1740, 394443), (1827, 375660), (1890, 363138), (2030, 338094), (2087, 328860), (2268, 302615), (2349, 292180), (2436, 281745), (2610, 262962), (2835, 242092), (3045, 225396), (3132, 219135), (3654, 187830), (3780, 181569), (3915, 175308), (4060, 169047), (4174, 164430), (4698, 146090), (5220, 131481), (5481, 125220), (5670, 121046), (6090, 112698), (6261, 109620), (7308, 93915), (7830, 87654), (8348, 82215), (9135, 75132), (9396, 73045), (10435, 65772), (10962, 62610), (11340, 60523), (11745, 58436), (12180, 56349), (12522, 54810), (14609, 46980), (15660, 43827), (16443, 41740), (18270, 37566), (18783, 36540), (20870, 32886), (21924, 31305), (23490, 29218), (25044, 27405)]