1323258560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 168

約数和(自身を含む): 3516983568

約数和(自身を除く): 2193725008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 331, 403, 416, 496, 520, 620, 662, 806, 832, 961, 992, 1040, 1240, 1324, 1612, 1655, 1922, 1984, 2015, 2080, 2480, 2648, 3224, 3310, 3844, 4030, 4160, 4303, 4805, 4960, 5296, 6448, 6620, 7688, 8060, 8606, 9610, 9920, 10261, 10592, 12493, 12896, 13240, 15376, 16120, 17212, 19220, 20522, 21184, 21515, 24986, 25792, 26480, 30752, 32240, 34424, 38440, 41044, 43030, 49972, 51305, 52960, 61504, 62465, 64480, 68848, 76880, 82088, 86060, 99944, 102610, 105920, 124930, 128960, 133393, 137696, 153760, 164176, 172120, 199888, 205220, 249860, 266786, 275392, 307520, 318091, 328352, 344240, 399776, 410440, 499720, 533572, 636182, 656704, 666965, 688480, 799552, 820880, 999440, 1067144, 1272364, 1333930, 1376960, 1590455, 1641760, 1998880, 2134288, 2544728, 2667860, 3180910, 3283520, 3997760, 4135183, 4268576, 5089456, 5335720, 6361820, 8270366, 8537152, 10178912, 10671440, 12723640, 16540732, 20357824, 20675915, 21342880, 25447280, 33081464, 41351830, 42685760, 50894560, 66162928, 82703660, 101789120, 132325856, 165407320, 264651712, 330814640, 661629280, 1323258560]

約数ペア:

[(1, 1323258560), (2, 661629280), (4, 330814640), (5, 264651712), (8, 165407320), (10, 132325856), (13, 101789120), (16, 82703660), (20, 66162928), (26, 50894560), (31, 42685760), (32, 41351830), (40, 33081464), (52, 25447280), (62, 21342880), (64, 20675915), (65, 20357824), (80, 16540732), (104, 12723640), (124, 10671440), (130, 10178912), (155, 8537152), (160, 8270366), (208, 6361820), (248, 5335720), (260, 5089456), (310, 4268576), (320, 4135183), (331, 3997760), (403, 3283520), (416, 3180910), (496, 2667860), (520, 2544728), (620, 2134288), (662, 1998880), (806, 1641760), (832, 1590455), (961, 1376960), (992, 1333930), (1040, 1272364), (1240, 1067144), (1324, 999440), (1612, 820880), (1655, 799552), (1922, 688480), (1984, 666965), (2015, 656704), (2080, 636182), (2480, 533572), (2648, 499720), (3224, 410440), (3310, 399776), (3844, 344240), (4030, 328352), (4160, 318091), (4303, 307520), (4805, 275392), (4960, 266786), (5296, 249860), (6448, 205220), (6620, 199888), (7688, 172120), (8060, 164176), (8606, 153760), (9610, 137696), (9920, 133393), (10261, 128960), (10592, 124930), (12493, 105920), (12896, 102610), (13240, 99944), (15376, 86060), (16120, 82088), (17212, 76880), (19220, 68848), (20522, 64480), (21184, 62465), (21515, 61504), (24986, 52960), (25792, 51305), (26480, 49972), (30752, 43030), (32240, 41044), (34424, 38440)]