198121440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 192

約数和(自身を含む): 688020480

約数和(自身を除く): 489899040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 157, 160, 165, 176, 220, 239, 240, 264, 314, 330, 352, 440, 471, 478, 480, 528, 628, 660, 717, 785, 880, 942, 956, 1056, 1195, 1256, 1320, 1434, 1570, 1727, 1760, 1884, 1912, 2355, 2390, 2512, 2629, 2640, 2868, 3140, 3454, 3585, 3768, 3824, 4710, 4780, 5024, 5181, 5258, 5280, 5736, 6280, 6908, 7170, 7536, 7648, 7887, 8635, 9420, 9560, 10362, 10516, 11472, 12560, 13145, 13816, 14340, 15072, 15774, 17270, 18840, 19120, 20724, 21032, 22944, 25120, 25905, 26290, 27632, 28680, 31548, 34540, 37523, 37680, 38240, 39435, 41448, 42064, 51810, 52580, 55264, 57360, 63096, 69080, 75046, 75360, 78870, 82896, 84128, 103620, 105160, 112569, 114720, 126192, 138160, 150092, 157740, 165792, 187615, 207240, 210320, 225138, 252384, 276320, 300184, 315480, 375230, 412753, 414480, 420640, 450276, 562845, 600368, 630960, 750460, 825506, 828960, 900552, 1125690, 1200736, 1238259, 1261920, 1500920, 1651012, 1801104, 2063765, 2251380, 2476518, 3001840, 3302024, 3602208, 4127530, 4502760, 4953036, 6003680, 6191295, 6604048, 8255060, 9005520, 9906072, 12382590, 13208096, 16510120, 18011040, 19812144, 24765180, 33020240, 39624288, 49530360, 66040480, 99060720, 198121440]

約数ペア:

[(1, 198121440), (2, 99060720), (3, 66040480), (4, 49530360), (5, 39624288), (6, 33020240), (8, 24765180), (10, 19812144), (11, 18011040), (12, 16510120), (15, 13208096), (16, 12382590), (20, 9906072), (22, 9005520), (24, 8255060), (30, 6604048), (32, 6191295), (33, 6003680), (40, 4953036), (44, 4502760), (48, 4127530), (55, 3602208), (60, 3302024), (66, 3001840), (80, 2476518), (88, 2251380), (96, 2063765), (110, 1801104), (120, 1651012), (132, 1500920), (157, 1261920), (160, 1238259), (165, 1200736), (176, 1125690), (220, 900552), (239, 828960), (240, 825506), (264, 750460), (314, 630960), (330, 600368), (352, 562845), (440, 450276), (471, 420640), (478, 414480), (480, 412753), (528, 375230), (628, 315480), (660, 300184), (717, 276320), (785, 252384), (880, 225138), (942, 210320), (956, 207240), (1056, 187615), (1195, 165792), (1256, 157740), (1320, 150092), (1434, 138160), (1570, 126192), (1727, 114720), (1760, 112569), (1884, 105160), (1912, 103620), (2355, 84128), (2390, 82896), (2512, 78870), (2629, 75360), (2640, 75046), (2868, 69080), (3140, 63096), (3454, 57360), (3585, 55264), (3768, 52580), (3824, 51810), (4710, 42064), (4780, 41448), (5024, 39435), (5181, 38240), (5258, 37680), (5280, 37523), (5736, 34540), (6280, 31548), (6908, 28680), (7170, 27632), (7536, 26290), (7648, 25905), (7887, 25120), (8635, 22944), (9420, 21032), (9560, 20724), (10362, 19120), (10516, 18840), (11472, 17270), (12560, 15774), (13145, 15072), (13816, 14340)]