189251280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 240

約数和(自身を含む): 671623680

約数和(自身を除く): 482372400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 61, 62, 72, 80, 90, 93, 120, 122, 124, 139, 144, 155, 180, 183, 186, 240, 244, 248, 278, 279, 305, 310, 360, 366, 372, 417, 465, 488, 496, 549, 556, 558, 610, 620, 695, 720, 732, 744, 834, 915, 930, 976, 1098, 1112, 1116, 1220, 1240, 1251, 1390, 1395, 1464, 1488, 1668, 1830, 1860, 1891, 2085, 2196, 2224, 2232, 2440, 2480, 2502, 2745, 2780, 2790, 2928, 3336, 3660, 3720, 3782, 4170, 4309, 4392, 4464, 4880, 5004, 5490, 5560, 5580, 5673, 6255, 6672, 7320, 7440, 7564, 8340, 8479, 8618, 8784, 9455, 10008, 10980, 11120, 11160, 11346, 12510, 12927, 14640, 15128, 16680, 16958, 17019, 17236, 18910, 20016, 21545, 21960, 22320, 22692, 25020, 25437, 25854, 28365, 30256, 33360, 33916, 34038, 34472, 37820, 38781, 42395, 43090, 43920, 45384, 50040, 50874, 51708, 56730, 64635, 67832, 68076, 68944, 75640, 76311, 77562, 84790, 85095, 86180, 90768, 100080, 101748, 103416, 113460, 127185, 129270, 135664, 136152, 151280, 152622, 155124, 169580, 170190, 172360, 193905, 203496, 206832, 226920, 254370, 258540, 262849, 272304, 305244, 310248, 339160, 340380, 344720, 381555, 387810, 406992, 453840, 508740, 517080, 525698, 610488, 620496, 678320, 680760, 763110, 775620, 788547, 1017480, 1034160, 1051396, 1220976, 1314245, 1361520, 1526220, 1551240, 1577094, 2034960, 2102792, 2365641, 2628490, 3052440, 3102480, 3154188, 3942735, 4205584, 4731282, 5256980, 6104880, 6308376, 7885470, 9462564, 10513960, 11828205, 12616752, 15770940, 18925128, 21027920, 23656410, 31541880, 37850256, 47312820, 63083760, 94625640, 189251280]

約数ペア:

[(1, 189251280), (2, 94625640), (3, 63083760), (4, 47312820), (5, 37850256), (6, 31541880), (8, 23656410), (9, 21027920), (10, 18925128), (12, 15770940), (15, 12616752), (16, 11828205), (18, 10513960), (20, 9462564), (24, 7885470), (30, 6308376), (31, 6104880), (36, 5256980), (40, 4731282), (45, 4205584), (48, 3942735), (60, 3154188), (61, 3102480), (62, 3052440), (72, 2628490), (80, 2365641), (90, 2102792), (93, 2034960), (120, 1577094), (122, 1551240), (124, 1526220), (139, 1361520), (144, 1314245), (155, 1220976), (180, 1051396), (183, 1034160), (186, 1017480), (240, 788547), (244, 775620), (248, 763110), (278, 680760), (279, 678320), (305, 620496), (310, 610488), (360, 525698), (366, 517080), (372, 508740), (417, 453840), (465, 406992), (488, 387810), (496, 381555), (549, 344720), (556, 340380), (558, 339160), (610, 310248), (620, 305244), (695, 272304), (720, 262849), (732, 258540), (744, 254370), (834, 226920), (915, 206832), (930, 203496), (976, 193905), (1098, 172360), (1112, 170190), (1116, 169580), (1220, 155124), (1240, 152622), (1251, 151280), (1390, 136152), (1395, 135664), (1464, 129270), (1488, 127185), (1668, 113460), (1830, 103416), (1860, 101748), (1891, 100080), (2085, 90768), (2196, 86180), (2224, 85095), (2232, 84790), (2440, 77562), (2480, 76311), (2502, 75640), (2745, 68944), (2780, 68076), (2790, 67832), (2928, 64635), (3336, 56730), (3660, 51708), (3720, 50874), (3782, 50040), (4170, 45384), (4309, 43920), (4392, 43090), (4464, 42395), (4880, 38781), (5004, 37820), (5490, 34472), (5560, 34038), (5580, 33916), (5673, 33360), (6255, 30256), (6672, 28365), (7320, 25854), (7440, 25437), (7564, 25020), (8340, 22692), (8479, 22320), (8618, 21960), (8784, 21545), (9455, 20016), (10008, 18910), (10980, 17236), (11120, 17019), (11160, 16958), (11346, 16680), (12510, 15128), (12927, 14640)]