205067520

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2543}}^1$

素因数の和:2577

約数の個数: 216

約数和(自身を含む): 811190016

約数和(自身を除く): 606122496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2543, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5086, 5376, 5760, 6720, 7629, 8064, 8960, 10080, 10172, 11520, 12715, 13440, 15258, 16128, 17801, 20160, 20344, 22887, 25430, 26880, 30516, 35602, 38145, 40320, 40688, 45774, 50860, 53403, 61032, 71204, 76290, 80640, 81376, 89005, 91548, 101720, 106806, 114435, 122064, 142408, 152580, 160209, 162752, 178010, 183096, 203440, 213612, 228870, 244128, 267015, 284816, 305160, 320418, 325504, 356020, 366192, 406880, 427224, 457740, 488256, 534030, 569632, 610320, 640836, 651008, 712040, 732384, 801045, 813760, 854448, 915480, 976512, 1068060, 1139264, 1220640, 1281672, 1424080, 1464768, 1602090, 1627520, 1708896, 1830960, 1953024, 2136120, 2278528, 2441280, 2563344, 2848160, 2929536, 3204180, 3255040, 3417792, 3661920, 4272240, 4557056, 4882560, 5126688, 5696320, 5859072, 6408360, 6835584, 7323840, 8544480, 9765120, 10253376, 11392640, 12816720, 13671168, 14647680, 17088960, 20506752, 22785280, 25633440, 29295360, 34177920, 41013504, 51266880, 68355840, 102533760, 205067520]

約数ペア:

[(1, 205067520), (2, 102533760), (3, 68355840), (4, 51266880), (5, 41013504), (6, 34177920), (7, 29295360), (8, 25633440), (9, 22785280), (10, 20506752), (12, 17088960), (14, 14647680), (15, 13671168), (16, 12816720), (18, 11392640), (20, 10253376), (21, 9765120), (24, 8544480), (28, 7323840), (30, 6835584), (32, 6408360), (35, 5859072), (36, 5696320), (40, 5126688), (42, 4882560), (45, 4557056), (48, 4272240), (56, 3661920), (60, 3417792), (63, 3255040), (64, 3204180), (70, 2929536), (72, 2848160), (80, 2563344), (84, 2441280), (90, 2278528), (96, 2136120), (105, 1953024), (112, 1830960), (120, 1708896), (126, 1627520), (128, 1602090), (140, 1464768), (144, 1424080), (160, 1281672), (168, 1220640), (180, 1139264), (192, 1068060), (210, 976512), (224, 915480), (240, 854448), (252, 813760), (256, 801045), (280, 732384), (288, 712040), (315, 651008), (320, 640836), (336, 610320), (360, 569632), (384, 534030), (420, 488256), (448, 457740), (480, 427224), (504, 406880), (560, 366192), (576, 356020), (630, 325504), (640, 320418), (672, 305160), (720, 284816), (768, 267015), (840, 244128), (896, 228870), (960, 213612), (1008, 203440), (1120, 183096), (1152, 178010), (1260, 162752), (1280, 160209), (1344, 152580), (1440, 142408), (1680, 122064), (1792, 114435), (1920, 106806), (2016, 101720), (2240, 91548), (2304, 89005), (2520, 81376), (2543, 80640), (2688, 76290), (2880, 71204), (3360, 61032), (3840, 53403), (4032, 50860), (4480, 45774), (5040, 40688), (5086, 40320), (5376, 38145), (5760, 35602), (6720, 30516), (7629, 26880), (8064, 25430), (8960, 22887), (10080, 20344), (10172, 20160), (11520, 17801), (12715, 16128), (13440, 15258)]