221897520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 812989632

約数和(自身を除く): 591092112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 151, 156, 157, 180, 195, 208, 234, 240, 260, 302, 312, 314, 360, 390, 453, 468, 471, 520, 585, 604, 624, 628, 720, 755, 780, 785, 906, 936, 942, 1040, 1170, 1208, 1256, 1359, 1413, 1510, 1560, 1570, 1812, 1872, 1884, 1963, 2041, 2265, 2340, 2355, 2416, 2512, 2718, 2826, 3020, 3120, 3140, 3624, 3768, 3926, 4082, 4530, 4680, 4710, 5436, 5652, 5889, 6040, 6123, 6280, 6795, 7065, 7248, 7536, 7852, 8164, 9060, 9360, 9420, 9815, 10205, 10872, 11304, 11778, 12080, 12246, 12560, 13590, 14130, 15704, 16328, 17667, 18120, 18369, 18840, 19630, 20410, 21744, 22608, 23556, 23707, 24492, 27180, 28260, 29445, 30615, 31408, 32656, 35334, 36240, 36738, 37680, 39260, 40820, 47112, 47414, 48984, 54360, 56520, 58890, 61230, 70668, 71121, 73476, 78520, 81640, 88335, 91845, 94224, 94828, 97968, 108720, 113040, 117780, 118535, 122460, 141336, 142242, 146952, 157040, 163280, 176670, 183690, 189656, 213363, 235560, 237070, 244920, 282672, 284484, 293904, 308191, 353340, 355605, 367380, 379312, 426726, 471120, 474140, 489840, 568968, 616382, 706680, 711210, 734760, 853452, 924573, 948280, 1066815, 1137936, 1232764, 1413360, 1422420, 1469520, 1540955, 1706904, 1849146, 1896560, 2133630, 2465528, 2773719, 2844840, 3081910, 3413808, 3698292, 4267260, 4622865, 4931056, 5547438, 5689680, 6163820, 7396584, 8534520, 9245730, 11094876, 12327640, 13868595, 14793168, 17069040, 18491460, 22189752, 24655280, 27737190, 36982920, 44379504, 55474380, 73965840, 110948760, 221897520]

約数ペア:

[(1, 221897520), (2, 110948760), (3, 73965840), (4, 55474380), (5, 44379504), (6, 36982920), (8, 27737190), (9, 24655280), (10, 22189752), (12, 18491460), (13, 17069040), (15, 14793168), (16, 13868595), (18, 12327640), (20, 11094876), (24, 9245730), (26, 8534520), (30, 7396584), (36, 6163820), (39, 5689680), (40, 5547438), (45, 4931056), (48, 4622865), (52, 4267260), (60, 3698292), (65, 3413808), (72, 3081910), (78, 2844840), (80, 2773719), (90, 2465528), (104, 2133630), (117, 1896560), (120, 1849146), (130, 1706904), (144, 1540955), (151, 1469520), (156, 1422420), (157, 1413360), (180, 1232764), (195, 1137936), (208, 1066815), (234, 948280), (240, 924573), (260, 853452), (302, 734760), (312, 711210), (314, 706680), (360, 616382), (390, 568968), (453, 489840), (468, 474140), (471, 471120), (520, 426726), (585, 379312), (604, 367380), (624, 355605), (628, 353340), (720, 308191), (755, 293904), (780, 284484), (785, 282672), (906, 244920), (936, 237070), (942, 235560), (1040, 213363), (1170, 189656), (1208, 183690), (1256, 176670), (1359, 163280), (1413, 157040), (1510, 146952), (1560, 142242), (1570, 141336), (1812, 122460), (1872, 118535), (1884, 117780), (1963, 113040), (2041, 108720), (2265, 97968), (2340, 94828), (2355, 94224), (2416, 91845), (2512, 88335), (2718, 81640), (2826, 78520), (3020, 73476), (3120, 71121), (3140, 70668), (3624, 61230), (3768, 58890), (3926, 56520), (4082, 54360), (4530, 48984), (4680, 47414), (4710, 47112), (5436, 40820), (5652, 39260), (5889, 37680), (6040, 36738), (6123, 36240), (6280, 35334), (6795, 32656), (7065, 31408), (7248, 30615), (7536, 29445), (7852, 28260), (8164, 27180), (9060, 24492), (9360, 23707), (9420, 23556), (9815, 22608), (10205, 21744), (10872, 20410), (11304, 19630), (11778, 18840), (12080, 18369), (12246, 18120), (12560, 17667), (13590, 16328), (14130, 15704)]