215671680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1818

約数の個数: 256

約数和(自身を含む): 873446400

約数和(自身を除く): 657774720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1783, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3566, 3780, 4032, 4320, 4480, 5040, 5349, 5760, 6048, 6720, 7132, 7560, 8064, 8640, 8915, 10080, 10698, 12096, 12481, 13440, 14264, 15120, 16047, 17280, 17830, 20160, 21396, 24192, 24962, 26745, 28528, 30240, 32094, 35660, 37443, 40320, 42792, 48141, 49924, 53490, 57056, 60480, 62405, 64188, 71320, 74886, 80235, 85584, 96282, 99848, 106980, 112329, 114112, 120960, 124810, 128376, 142640, 149772, 160470, 171168, 187215, 192564, 199696, 213960, 224658, 228224, 240705, 249620, 256752, 285280, 299544, 320940, 336987, 342336, 374430, 385128, 399392, 427920, 449316, 481410, 499240, 513504, 561645, 570560, 599088, 641880, 673974, 684672, 748860, 770256, 798784, 855840, 898632, 962820, 998480, 1027008, 1123290, 1141120, 1198176, 1283760, 1347948, 1497720, 1540512, 1597568, 1684935, 1711680, 1797264, 1925640, 1996960, 2054016, 2246580, 2396352, 2567520, 2695896, 2995440, 3081024, 3369870, 3423360, 3594528, 3851280, 3993920, 4493160, 4792704, 5135040, 5391792, 5990880, 6162048, 6739740, 7189056, 7702560, 7987840, 8986320, 10270080, 10783584, 11981760, 13479480, 14378112, 15405120, 17972640, 21567168, 23963520, 26958960, 30810240, 35945280, 43134336, 53917920, 71890560, 107835840, 215671680]

約数ペア:

[(1, 215671680), (2, 107835840), (3, 71890560), (4, 53917920), (5, 43134336), (6, 35945280), (7, 30810240), (8, 26958960), (9, 23963520), (10, 21567168), (12, 17972640), (14, 15405120), (15, 14378112), (16, 13479480), (18, 11981760), (20, 10783584), (21, 10270080), (24, 8986320), (27, 7987840), (28, 7702560), (30, 7189056), (32, 6739740), (35, 6162048), (36, 5990880), (40, 5391792), (42, 5135040), (45, 4792704), (48, 4493160), (54, 3993920), (56, 3851280), (60, 3594528), (63, 3423360), (64, 3369870), (70, 3081024), (72, 2995440), (80, 2695896), (84, 2567520), (90, 2396352), (96, 2246580), (105, 2054016), (108, 1996960), (112, 1925640), (120, 1797264), (126, 1711680), (128, 1684935), (135, 1597568), (140, 1540512), (144, 1497720), (160, 1347948), (168, 1283760), (180, 1198176), (189, 1141120), (192, 1123290), (210, 1027008), (216, 998480), (224, 962820), (240, 898632), (252, 855840), (270, 798784), (280, 770256), (288, 748860), (315, 684672), (320, 673974), (336, 641880), (360, 599088), (378, 570560), (384, 561645), (420, 513504), (432, 499240), (448, 481410), (480, 449316), (504, 427920), (540, 399392), (560, 385128), (576, 374430), (630, 342336), (640, 336987), (672, 320940), (720, 299544), (756, 285280), (840, 256752), (864, 249620), (896, 240705), (945, 228224), (960, 224658), (1008, 213960), (1080, 199696), (1120, 192564), (1152, 187215), (1260, 171168), (1344, 160470), (1440, 149772), (1512, 142640), (1680, 128376), (1728, 124810), (1783, 120960), (1890, 114112), (1920, 112329), (2016, 106980), (2160, 99848), (2240, 96282), (2520, 85584), (2688, 80235), (2880, 74886), (3024, 71320), (3360, 64188), (3456, 62405), (3566, 60480), (3780, 57056), (4032, 53490), (4320, 49924), (4480, 48141), (5040, 42792), (5349, 40320), (5760, 37443), (6048, 35660), (6720, 32094), (7132, 30240), (7560, 28528), (8064, 26745), (8640, 24962), (8915, 24192), (10080, 21396), (10698, 20160), (12096, 17830), (12481, 17280), (13440, 16047), (14264, 15120)]