31117320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 111711600

約数和(自身を除く): 80594280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 109, 117, 120, 122, 130, 156, 180, 183, 195, 218, 234, 244, 260, 305, 312, 327, 360, 366, 390, 436, 468, 488, 520, 545, 549, 585, 610, 654, 732, 780, 793, 872, 915, 936, 981, 1090, 1098, 1170, 1220, 1308, 1417, 1464, 1560, 1586, 1635, 1830, 1962, 2180, 2196, 2340, 2379, 2440, 2616, 2745, 2834, 3172, 3270, 3660, 3924, 3965, 4251, 4360, 4392, 4680, 4758, 4905, 5490, 5668, 6344, 6540, 6649, 7085, 7137, 7320, 7848, 7930, 8502, 9516, 9810, 10980, 11336, 11895, 12753, 13080, 13298, 14170, 14274, 15860, 17004, 19032, 19620, 19947, 21255, 21960, 23790, 25506, 26596, 28340, 28548, 31720, 33245, 34008, 35685, 39240, 39894, 42510, 47580, 51012, 53192, 56680, 57096, 59841, 63765, 66490, 71370, 79788, 85020, 86437, 95160, 99735, 102024, 119682, 127530, 132980, 142740, 159576, 170040, 172874, 199470, 239364, 255060, 259311, 265960, 285480, 299205, 345748, 398940, 432185, 478728, 510120, 518622, 598410, 691496, 777933, 797880, 864370, 1037244, 1196820, 1296555, 1555866, 1728740, 2074488, 2393640, 2593110, 3111732, 3457480, 3889665, 5186220, 6223464, 7779330, 10372440, 15558660, 31117320]

約数ペア:

[(1, 31117320), (2, 15558660), (3, 10372440), (4, 7779330), (5, 6223464), (6, 5186220), (8, 3889665), (9, 3457480), (10, 3111732), (12, 2593110), (13, 2393640), (15, 2074488), (18, 1728740), (20, 1555866), (24, 1296555), (26, 1196820), (30, 1037244), (36, 864370), (39, 797880), (40, 777933), (45, 691496), (52, 598410), (60, 518622), (61, 510120), (65, 478728), (72, 432185), (78, 398940), (90, 345748), (104, 299205), (109, 285480), (117, 265960), (120, 259311), (122, 255060), (130, 239364), (156, 199470), (180, 172874), (183, 170040), (195, 159576), (218, 142740), (234, 132980), (244, 127530), (260, 119682), (305, 102024), (312, 99735), (327, 95160), (360, 86437), (366, 85020), (390, 79788), (436, 71370), (468, 66490), (488, 63765), (520, 59841), (545, 57096), (549, 56680), (585, 53192), (610, 51012), (654, 47580), (732, 42510), (780, 39894), (793, 39240), (872, 35685), (915, 34008), (936, 33245), (981, 31720), (1090, 28548), (1098, 28340), (1170, 26596), (1220, 25506), (1308, 23790), (1417, 21960), (1464, 21255), (1560, 19947), (1586, 19620), (1635, 19032), (1830, 17004), (1962, 15860), (2180, 14274), (2196, 14170), (2340, 13298), (2379, 13080), (2440, 12753), (2616, 11895), (2745, 11336), (2834, 10980), (3172, 9810), (3270, 9516), (3660, 8502), (3924, 7930), (3965, 7848), (4251, 7320), (4360, 7137), (4392, 7085), (4680, 6649), (4758, 6540), (4905, 6344), (5490, 5668)]