538275780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{6781}}^1$

素因数の和:6816

約数の個数: 180

約数和(自身を含む): 1964569068

約数和(自身を除く): 1426293288

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 4410, 5292, 5670, 6615, 6781, 7938, 8820, 11340, 13230, 13562, 15876, 19845, 20343, 26460, 27124, 33905, 39690, 40686, 47467, 61029, 67810, 79380, 81372, 94934, 101715, 122058, 135620, 142401, 183087, 189868, 203430, 237335, 244116, 284802, 305145, 332269, 366174, 406860, 427203, 474670, 549261, 569604, 610290, 664538, 712005, 732348, 854406, 915435, 949340, 996807, 1098522, 1220580, 1281609, 1329076, 1424010, 1661345, 1708812, 1830870, 1993614, 2136015, 2197044, 2563218, 2746305, 2848020, 2990421, 3322690, 3661740, 3844827, 3987228, 4272030, 4984035, 5126436, 5492610, 5980842, 6408045, 6645380, 7689654, 8544060, 8971263, 9968070, 10985220, 11961684, 12816090, 14952105, 15379308, 17942526, 19224135, 19936140, 25632180, 26913789, 29904210, 35885052, 38448270, 44856315, 53827578, 59808420, 76896540, 89712630, 107655156, 134568945, 179425260, 269137890, 538275780]

約数ペア:

[(1, 538275780), (2, 269137890), (3, 179425260), (4, 134568945), (5, 107655156), (6, 89712630), (7, 76896540), (9, 59808420), (10, 53827578), (12, 44856315), (14, 38448270), (15, 35885052), (18, 29904210), (20, 26913789), (21, 25632180), (27, 19936140), (28, 19224135), (30, 17942526), (35, 15379308), (36, 14952105), (42, 12816090), (45, 11961684), (49, 10985220), (54, 9968070), (60, 8971263), (63, 8544060), (70, 7689654), (81, 6645380), (84, 6408045), (90, 5980842), (98, 5492610), (105, 5126436), (108, 4984035), (126, 4272030), (135, 3987228), (140, 3844827), (147, 3661740), (162, 3322690), (180, 2990421), (189, 2848020), (196, 2746305), (210, 2563218), (245, 2197044), (252, 2136015), (270, 1993614), (294, 1830870), (315, 1708812), (324, 1661345), (378, 1424010), (405, 1329076), (420, 1281609), (441, 1220580), (490, 1098522), (540, 996807), (567, 949340), (588, 915435), (630, 854406), (735, 732348), (756, 712005), (810, 664538), (882, 610290), (945, 569604), (980, 549261), (1134, 474670), (1260, 427203), (1323, 406860), (1470, 366174), (1620, 332269), (1764, 305145), (1890, 284802), (2205, 244116), (2268, 237335), (2646, 203430), (2835, 189868), (2940, 183087), (3780, 142401), (3969, 135620), (4410, 122058), (5292, 101715), (5670, 94934), (6615, 81372), (6781, 79380), (7938, 67810), (8820, 61029), (11340, 47467), (13230, 40686), (13562, 39690), (15876, 33905), (19845, 27124), (20343, 26460)]