20151722240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4969

約数の個数: 216

約数和(自身を含む): 55030530240

約数和(自身を除く): 34878808000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 169, 190, 208, 247, 256, 260, 304, 320, 338, 380, 416, 494, 520, 608, 640, 676, 760, 832, 845, 988, 1040, 1216, 1235, 1280, 1352, 1520, 1664, 1690, 1976, 2080, 2432, 2470, 2704, 3040, 3211, 3328, 3380, 3952, 4160, 4864, 4903, 4940, 5408, 6080, 6422, 6760, 7904, 8320, 9806, 9880, 10816, 12160, 12844, 13520, 15808, 16055, 16640, 19612, 19760, 21632, 24320, 24515, 25688, 27040, 31616, 32110, 39224, 39520, 43264, 49030, 51376, 54080, 63232, 63739, 64220, 78448, 79040, 93157, 98060, 102752, 108160, 127478, 128440, 156896, 158080, 186314, 196120, 205504, 216320, 254956, 256880, 313792, 316160, 318695, 372628, 392240, 411008, 465785, 509912, 513760, 627584, 637390, 745256, 784480, 822016, 828607, 931570, 1019824, 1027520, 1211041, 1255168, 1274780, 1490512, 1568960, 1657214, 1863140, 2039648, 2055040, 2422082, 2549560, 2981024, 3137920, 3314428, 3726280, 4079296, 4110080, 4143035, 4844164, 5099120, 5962048, 6055205, 6275840, 6628856, 7452560, 8158592, 8286070, 9688328, 10198240, 11924096, 12110410, 13257712, 14905120, 15743533, 16317184, 16572140, 19376656, 20396480, 23848192, 24220820, 26515424, 29810240, 31487066, 33144280, 38753312, 40792960, 48441640, 53030848, 59620480, 62974132, 66288560, 77506624, 78717665, 81585920, 96883280, 106061696, 119240960, 125948264, 132577120, 155013248, 157435330, 193766560, 212123392, 251896528, 265154240, 310026496, 314870660, 387533120, 503793056, 530308480, 629741320, 775066240, 1007586112, 1060616960, 1259482640, 1550132480, 2015172224, 2518965280, 4030344448, 5037930560, 10075861120, 20151722240]

約数ペア:

[(1, 20151722240), (2, 10075861120), (4, 5037930560), (5, 4030344448), (8, 2518965280), (10, 2015172224), (13, 1550132480), (16, 1259482640), (19, 1060616960), (20, 1007586112), (26, 775066240), (32, 629741320), (38, 530308480), (40, 503793056), (52, 387533120), (64, 314870660), (65, 310026496), (76, 265154240), (80, 251896528), (95, 212123392), (104, 193766560), (128, 157435330), (130, 155013248), (152, 132577120), (160, 125948264), (169, 119240960), (190, 106061696), (208, 96883280), (247, 81585920), (256, 78717665), (260, 77506624), (304, 66288560), (320, 62974132), (338, 59620480), (380, 53030848), (416, 48441640), (494, 40792960), (520, 38753312), (608, 33144280), (640, 31487066), (676, 29810240), (760, 26515424), (832, 24220820), (845, 23848192), (988, 20396480), (1040, 19376656), (1216, 16572140), (1235, 16317184), (1280, 15743533), (1352, 14905120), (1520, 13257712), (1664, 12110410), (1690, 11924096), (1976, 10198240), (2080, 9688328), (2432, 8286070), (2470, 8158592), (2704, 7452560), (3040, 6628856), (3211, 6275840), (3328, 6055205), (3380, 5962048), (3952, 5099120), (4160, 4844164), (4864, 4143035), (4903, 4110080), (4940, 4079296), (5408, 3726280), (6080, 3314428), (6422, 3137920), (6760, 2981024), (7904, 2549560), (8320, 2422082), (9806, 2055040), (9880, 2039648), (10816, 1863140), (12160, 1657214), (12844, 1568960), (13520, 1490512), (15808, 1274780), (16055, 1255168), (16640, 1211041), (19612, 1027520), (19760, 1019824), (21632, 931570), (24320, 828607), (24515, 822016), (25688, 784480), (27040, 745256), (31616, 637390), (32110, 627584), (39224, 513760), (39520, 509912), (43264, 465785), (49030, 411008), (51376, 392240), (54080, 372628), (63232, 318695), (63739, 316160), (64220, 313792), (78448, 256880), (79040, 254956), (93157, 216320), (98060, 205504), (102752, 196120), (108160, 186314), (127478, 158080), (128440, 156896)]