205441920

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1355

約数の個数: 192

約数和(自身を含む): 736248240

約数和(自身を除く): 530806320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1321, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2642, 2880, 3240, 3456, 3888, 3963, 4320, 4860, 5184, 5284, 5760, 6480, 6605, 7776, 7926, 8640, 9720, 10368, 10568, 11889, 12960, 13210, 15552, 15852, 17280, 19440, 19815, 21136, 23778, 25920, 26420, 31104, 31704, 35667, 38880, 39630, 42272, 47556, 51840, 52840, 59445, 63408, 71334, 77760, 79260, 84544, 95112, 105680, 107001, 118890, 126816, 142668, 155520, 158520, 169088, 178335, 190224, 211360, 214002, 237780, 253632, 285336, 317040, 321003, 356670, 380448, 422720, 428004, 475560, 507264, 535005, 570672, 634080, 642006, 713340, 760896, 845440, 856008, 951120, 1070010, 1141344, 1268160, 1284012, 1426680, 1521792, 1605015, 1712016, 1902240, 2140020, 2282688, 2536320, 2568024, 2853360, 3210030, 3424032, 3804480, 4280040, 4565376, 5136048, 5706720, 6420060, 6848064, 7608960, 8560080, 10272096, 11413440, 12840120, 13696128, 17120160, 20544192, 22826880, 25680240, 34240320, 41088384, 51360480, 68480640, 102720960, 205441920]

約数ペア:

[(1, 205441920), (2, 102720960), (3, 68480640), (4, 51360480), (5, 41088384), (6, 34240320), (8, 25680240), (9, 22826880), (10, 20544192), (12, 17120160), (15, 13696128), (16, 12840120), (18, 11413440), (20, 10272096), (24, 8560080), (27, 7608960), (30, 6848064), (32, 6420060), (36, 5706720), (40, 5136048), (45, 4565376), (48, 4280040), (54, 3804480), (60, 3424032), (64, 3210030), (72, 2853360), (80, 2568024), (81, 2536320), (90, 2282688), (96, 2140020), (108, 1902240), (120, 1712016), (128, 1605015), (135, 1521792), (144, 1426680), (160, 1284012), (162, 1268160), (180, 1141344), (192, 1070010), (216, 951120), (240, 856008), (243, 845440), (270, 760896), (288, 713340), (320, 642006), (324, 634080), (360, 570672), (384, 535005), (405, 507264), (432, 475560), (480, 428004), (486, 422720), (540, 380448), (576, 356670), (640, 321003), (648, 317040), (720, 285336), (810, 253632), (864, 237780), (960, 214002), (972, 211360), (1080, 190224), (1152, 178335), (1215, 169088), (1296, 158520), (1321, 155520), (1440, 142668), (1620, 126816), (1728, 118890), (1920, 107001), (1944, 105680), (2160, 95112), (2430, 84544), (2592, 79260), (2642, 77760), (2880, 71334), (3240, 63408), (3456, 59445), (3888, 52840), (3963, 51840), (4320, 47556), (4860, 42272), (5184, 39630), (5284, 38880), (5760, 35667), (6480, 31704), (6605, 31104), (7776, 26420), (7926, 25920), (8640, 23778), (9720, 21136), (10368, 19815), (10568, 19440), (11889, 17280), (12960, 15852), (13210, 15552)]