21440788560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{6841}}^1$

素因数の和:8314

約数の個数: 160

約数和(自身を含む): 73913304960

約数和(自身を除く): 52472516400

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, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1451, 2160, 2902, 4353, 5804, 6841, 7255, 8706, 11608, 13059, 13682, 14510, 17412, 20523, 21765, 23216, 26118, 27364, 29020, 34205, 34824, 39177, 41046, 43530, 52236, 54728, 58040, 61569, 65295, 68410, 69648, 78354, 82092, 87060, 102615, 104472, 109456, 116080, 123138, 130590, 136820, 156708, 164184, 174120, 184707, 195885, 205230, 208944, 246276, 261180, 273640, 307845, 313416, 328368, 348240, 369414, 391770, 410460, 492552, 522360, 547280, 615690, 626832, 738828, 783540, 820920, 923535, 985104, 1044720, 1231380, 1477656, 1567080, 1641840, 1847070, 2462760, 2955312, 3134160, 3694140, 4925520, 7388280, 9926291, 14776560, 19852582, 29778873, 39705164, 49631455, 59557746, 79410328, 89336619, 99262910, 119115492, 148894365, 158820656, 178673238, 198525820, 238230984, 268009857, 297788730, 357346476, 397051640, 446683095, 476461968, 536019714, 595577460, 714692952, 794103280, 893366190, 1072039428, 1191154920, 1340049285, 1429385904, 1786732380, 2144078856, 2382309840, 2680098570, 3573464760, 4288157712, 5360197140, 7146929520, 10720394280, 21440788560]

約数ペア:

[(1, 21440788560), (2, 10720394280), (3, 7146929520), (4, 5360197140), (5, 4288157712), (6, 3573464760), (8, 2680098570), (9, 2382309840), (10, 2144078856), (12, 1786732380), (15, 1429385904), (16, 1340049285), (18, 1191154920), (20, 1072039428), (24, 893366190), (27, 794103280), (30, 714692952), (36, 595577460), (40, 536019714), (45, 476461968), (48, 446683095), (54, 397051640), (60, 357346476), (72, 297788730), (80, 268009857), (90, 238230984), (108, 198525820), (120, 178673238), (135, 158820656), (144, 148894365), (180, 119115492), (216, 99262910), (240, 89336619), (270, 79410328), (360, 59557746), (432, 49631455), (540, 39705164), (720, 29778873), (1080, 19852582), (1451, 14776560), (2160, 9926291), (2902, 7388280), (4353, 4925520), (5804, 3694140), (6841, 3134160), (7255, 2955312), (8706, 2462760), (11608, 1847070), (13059, 1641840), (13682, 1567080), (14510, 1477656), (17412, 1231380), (20523, 1044720), (21765, 985104), (23216, 923535), (26118, 820920), (27364, 783540), (29020, 738828), (34205, 626832), (34824, 615690), (39177, 547280), (41046, 522360), (43530, 492552), (52236, 410460), (54728, 391770), (58040, 369414), (61569, 348240), (65295, 328368), (68410, 313416), (69648, 307845), (78354, 273640), (82092, 261180), (87060, 246276), (102615, 208944), (104472, 205230), (109456, 195885), (116080, 184707), (123138, 174120), (130590, 164184), (136820, 156708)]