254162160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:476

約数の個数: 240

約数和(自身を含む): 984222720

約数和(自身を除く): 730060560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 211, 239, 240, 252, 280, 315, 336, 360, 420, 422, 478, 504, 560, 630, 633, 717, 720, 840, 844, 956, 1008, 1055, 1195, 1260, 1266, 1434, 1477, 1673, 1680, 1688, 1899, 1912, 2110, 2151, 2390, 2520, 2532, 2868, 2954, 3165, 3346, 3376, 3585, 3798, 3824, 4220, 4302, 4431, 4780, 5019, 5040, 5064, 5736, 5908, 6330, 6692, 7170, 7385, 7596, 8365, 8440, 8604, 8862, 9495, 9560, 10038, 10128, 10755, 11472, 11816, 12660, 13293, 13384, 14340, 14770, 15057, 15192, 16730, 16880, 17208, 17724, 18990, 19120, 20076, 21510, 22155, 23632, 25095, 25320, 26586, 26768, 28680, 29540, 30114, 30384, 33460, 34416, 35448, 37980, 40152, 43020, 44310, 50190, 50429, 50640, 53172, 57360, 59080, 60228, 66465, 66920, 70896, 75285, 75960, 80304, 86040, 88620, 100380, 100858, 106344, 118160, 120456, 132930, 133840, 150570, 151287, 151920, 172080, 177240, 200760, 201716, 212688, 240912, 252145, 265860, 301140, 302574, 353003, 354480, 401520, 403432, 453861, 504290, 531720, 602280, 605148, 706006, 756435, 806864, 907722, 1008580, 1059009, 1063440, 1204560, 1210296, 1412012, 1512870, 1765015, 1815444, 2017160, 2118018, 2269305, 2420592, 2824024, 3025740, 3177027, 3530030, 3630888, 4034320, 4236036, 4538610, 5295045, 5648048, 6051480, 6354054, 7060060, 7261776, 8472072, 9077220, 10590090, 12102960, 12708108, 14120120, 15885135, 16944144, 18154440, 21180180, 25416216, 28240240, 31770270, 36308880, 42360360, 50832432, 63540540, 84720720, 127081080, 254162160]

約数ペア:

[(1, 254162160), (2, 127081080), (3, 84720720), (4, 63540540), (5, 50832432), (6, 42360360), (7, 36308880), (8, 31770270), (9, 28240240), (10, 25416216), (12, 21180180), (14, 18154440), (15, 16944144), (16, 15885135), (18, 14120120), (20, 12708108), (21, 12102960), (24, 10590090), (28, 9077220), (30, 8472072), (35, 7261776), (36, 7060060), (40, 6354054), (42, 6051480), (45, 5648048), (48, 5295045), (56, 4538610), (60, 4236036), (63, 4034320), (70, 3630888), (72, 3530030), (80, 3177027), (84, 3025740), (90, 2824024), (105, 2420592), (112, 2269305), (120, 2118018), (126, 2017160), (140, 1815444), (144, 1765015), (168, 1512870), (180, 1412012), (210, 1210296), (211, 1204560), (239, 1063440), (240, 1059009), (252, 1008580), (280, 907722), (315, 806864), (336, 756435), (360, 706006), (420, 605148), (422, 602280), (478, 531720), (504, 504290), (560, 453861), (630, 403432), (633, 401520), (717, 354480), (720, 353003), (840, 302574), (844, 301140), (956, 265860), (1008, 252145), (1055, 240912), (1195, 212688), (1260, 201716), (1266, 200760), (1434, 177240), (1477, 172080), (1673, 151920), (1680, 151287), (1688, 150570), (1899, 133840), (1912, 132930), (2110, 120456), (2151, 118160), (2390, 106344), (2520, 100858), (2532, 100380), (2868, 88620), (2954, 86040), (3165, 80304), (3346, 75960), (3376, 75285), (3585, 70896), (3798, 66920), (3824, 66465), (4220, 60228), (4302, 59080), (4431, 57360), (4780, 53172), (5019, 50640), (5040, 50429), (5064, 50190), (5736, 44310), (5908, 43020), (6330, 40152), (6692, 37980), (7170, 35448), (7385, 34416), (7596, 33460), (8365, 30384), (8440, 30114), (8604, 29540), (8862, 28680), (9495, 26768), (9560, 26586), (10038, 25320), (10128, 25095), (10755, 23632), (11472, 22155), (11816, 21510), (12660, 20076), (13293, 19120), (13384, 18990), (14340, 17724), (14770, 17208), (15057, 16880), (15192, 16730)]