71554320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 249210240

約数和(自身を除く): 177655920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 157, 180, 211, 216, 240, 270, 314, 360, 422, 432, 471, 540, 628, 633, 720, 785, 844, 942, 1055, 1080, 1256, 1266, 1413, 1570, 1688, 1884, 1899, 2110, 2160, 2355, 2512, 2532, 2826, 3140, 3165, 3376, 3768, 3798, 4220, 4239, 4710, 5064, 5652, 5697, 6280, 6330, 7065, 7536, 7596, 8440, 8478, 9420, 9495, 10128, 11304, 11394, 12560, 12660, 14130, 15192, 16880, 16956, 18840, 18990, 21195, 22608, 22788, 25320, 28260, 28485, 30384, 33127, 33912, 37680, 37980, 42390, 45576, 50640, 56520, 56970, 66254, 67824, 75960, 84780, 91152, 99381, 113040, 113940, 132508, 151920, 165635, 169560, 198762, 227880, 265016, 298143, 331270, 339120, 397524, 455760, 496905, 530032, 596286, 662540, 795048, 894429, 993810, 1192572, 1325080, 1490715, 1590096, 1788858, 1987620, 2385144, 2650160, 2981430, 3577716, 3975240, 4472145, 4770288, 5962860, 7155432, 7950480, 8944290, 11925720, 14310864, 17888580, 23851440, 35777160, 71554320]

約数ペア:

[(1, 71554320), (2, 35777160), (3, 23851440), (4, 17888580), (5, 14310864), (6, 11925720), (8, 8944290), (9, 7950480), (10, 7155432), (12, 5962860), (15, 4770288), (16, 4472145), (18, 3975240), (20, 3577716), (24, 2981430), (27, 2650160), (30, 2385144), (36, 1987620), (40, 1788858), (45, 1590096), (48, 1490715), (54, 1325080), (60, 1192572), (72, 993810), (80, 894429), (90, 795048), (108, 662540), (120, 596286), (135, 530032), (144, 496905), (157, 455760), (180, 397524), (211, 339120), (216, 331270), (240, 298143), (270, 265016), (314, 227880), (360, 198762), (422, 169560), (432, 165635), (471, 151920), (540, 132508), (628, 113940), (633, 113040), (720, 99381), (785, 91152), (844, 84780), (942, 75960), (1055, 67824), (1080, 66254), (1256, 56970), (1266, 56520), (1413, 50640), (1570, 45576), (1688, 42390), (1884, 37980), (1899, 37680), (2110, 33912), (2160, 33127), (2355, 30384), (2512, 28485), (2532, 28260), (2826, 25320), (3140, 22788), (3165, 22608), (3376, 21195), (3768, 18990), (3798, 18840), (4220, 16956), (4239, 16880), (4710, 15192), (5064, 14130), (5652, 12660), (5697, 12560), (6280, 11394), (6330, 11304), (7065, 10128), (7536, 9495), (7596, 9420), (8440, 8478)]