78566880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 192

約数和(自身を含む): 287884800

約数和(自身を除く): 209317920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 96, 105, 112, 120, 134, 140, 160, 168, 201, 210, 224, 240, 268, 280, 335, 336, 349, 402, 420, 469, 480, 536, 560, 670, 672, 698, 804, 840, 938, 1005, 1047, 1072, 1120, 1340, 1396, 1407, 1608, 1680, 1745, 1876, 2010, 2094, 2144, 2345, 2443, 2680, 2792, 2814, 3216, 3360, 3490, 3752, 4020, 4188, 4690, 4886, 5235, 5360, 5584, 5628, 6432, 6980, 7035, 7329, 7504, 8040, 8376, 9380, 9772, 10470, 10720, 11168, 11256, 12215, 13960, 14070, 14658, 15008, 16080, 16752, 18760, 19544, 20940, 22512, 23383, 24430, 27920, 28140, 29316, 32160, 33504, 36645, 37520, 39088, 41880, 45024, 46766, 48860, 55840, 56280, 58632, 70149, 73290, 75040, 78176, 83760, 93532, 97720, 112560, 116915, 117264, 140298, 146580, 163681, 167520, 187064, 195440, 225120, 233830, 234528, 280596, 293160, 327362, 350745, 374128, 390880, 467660, 491043, 561192, 586320, 654724, 701490, 748256, 818405, 935320, 982086, 1122384, 1172640, 1309448, 1402980, 1636810, 1870640, 1964172, 2244768, 2455215, 2618896, 2805960, 3273620, 3741280, 3928344, 4910430, 5237792, 5611920, 6547240, 7856688, 9820860, 11223840, 13094480, 15713376, 19641720, 26188960, 39283440, 78566880]

約数ペア:

[(1, 78566880), (2, 39283440), (3, 26188960), (4, 19641720), (5, 15713376), (6, 13094480), (7, 11223840), (8, 9820860), (10, 7856688), (12, 6547240), (14, 5611920), (15, 5237792), (16, 4910430), (20, 3928344), (21, 3741280), (24, 3273620), (28, 2805960), (30, 2618896), (32, 2455215), (35, 2244768), (40, 1964172), (42, 1870640), (48, 1636810), (56, 1402980), (60, 1309448), (67, 1172640), (70, 1122384), (80, 982086), (84, 935320), (96, 818405), (105, 748256), (112, 701490), (120, 654724), (134, 586320), (140, 561192), (160, 491043), (168, 467660), (201, 390880), (210, 374128), (224, 350745), (240, 327362), (268, 293160), (280, 280596), (335, 234528), (336, 233830), (349, 225120), (402, 195440), (420, 187064), (469, 167520), (480, 163681), (536, 146580), (560, 140298), (670, 117264), (672, 116915), (698, 112560), (804, 97720), (840, 93532), (938, 83760), (1005, 78176), (1047, 75040), (1072, 73290), (1120, 70149), (1340, 58632), (1396, 56280), (1407, 55840), (1608, 48860), (1680, 46766), (1745, 45024), (1876, 41880), (2010, 39088), (2094, 37520), (2144, 36645), (2345, 33504), (2443, 32160), (2680, 29316), (2792, 28140), (2814, 27920), (3216, 24430), (3360, 23383), (3490, 22512), (3752, 20940), (4020, 19544), (4188, 18760), (4690, 16752), (4886, 16080), (5235, 15008), (5360, 14658), (5584, 14070), (5628, 13960), (6432, 12215), (6980, 11256), (7035, 11168), (7329, 10720), (7504, 10470), (8040, 9772), (8376, 9380)]