80871840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 288

約数和(自身を含む): 322672896

約数和(自身を除く): 241801056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 96, 105, 112, 113, 120, 126, 140, 142, 144, 160, 168, 180, 210, 213, 224, 226, 240, 252, 280, 284, 288, 315, 336, 339, 355, 360, 420, 426, 452, 480, 497, 504, 560, 565, 568, 630, 639, 672, 678, 710, 720, 791, 840, 852, 904, 994, 1008, 1017, 1065, 1120, 1130, 1136, 1260, 1278, 1356, 1420, 1440, 1491, 1582, 1680, 1695, 1704, 1808, 1988, 2016, 2034, 2130, 2260, 2272, 2373, 2485, 2520, 2556, 2712, 2840, 2982, 3164, 3195, 3360, 3390, 3408, 3616, 3955, 3976, 4068, 4260, 4473, 4520, 4746, 4970, 5040, 5085, 5112, 5424, 5680, 5964, 6328, 6390, 6780, 6816, 7119, 7455, 7910, 7952, 8023, 8136, 8520, 8946, 9040, 9492, 9940, 10080, 10170, 10224, 10848, 11360, 11865, 11928, 12656, 12780, 13560, 14238, 14910, 15820, 15904, 16046, 16272, 17040, 17892, 18080, 18984, 19880, 20340, 20448, 22365, 23730, 23856, 24069, 25312, 25560, 27120, 28476, 29820, 31640, 32092, 32544, 34080, 35595, 35784, 37968, 39760, 40115, 40680, 44730, 47460, 47712, 48138, 51120, 54240, 56161, 56952, 59640, 63280, 64184, 71190, 71568, 72207, 75936, 79520, 80230, 81360, 89460, 94920, 96276, 102240, 112322, 113904, 119280, 120345, 126560, 128368, 142380, 143136, 144414, 160460, 162720, 168483, 178920, 189840, 192552, 224644, 227808, 238560, 240690, 256736, 280805, 284760, 288828, 320920, 336966, 357840, 361035, 379680, 385104, 449288, 481380, 505449, 561610, 569520, 577656, 641840, 673932, 715680, 722070, 770208, 842415, 898576, 962760, 1010898, 1123220, 1139040, 1155312, 1283680, 1347864, 1444140, 1684830, 1797152, 1925520, 2021796, 2246440, 2310624, 2527245, 2695728, 2888280, 3369660, 3851040, 4043592, 4492880, 5054490, 5391456, 5776560, 6739320, 8087184, 8985760, 10108980, 11553120, 13478640, 16174368, 20217960, 26957280, 40435920, 80871840]

約数ペア:

[(1, 80871840), (2, 40435920), (3, 26957280), (4, 20217960), (5, 16174368), (6, 13478640), (7, 11553120), (8, 10108980), (9, 8985760), (10, 8087184), (12, 6739320), (14, 5776560), (15, 5391456), (16, 5054490), (18, 4492880), (20, 4043592), (21, 3851040), (24, 3369660), (28, 2888280), (30, 2695728), (32, 2527245), (35, 2310624), (36, 2246440), (40, 2021796), (42, 1925520), (45, 1797152), (48, 1684830), (56, 1444140), (60, 1347864), (63, 1283680), (70, 1155312), (71, 1139040), (72, 1123220), (80, 1010898), (84, 962760), (90, 898576), (96, 842415), (105, 770208), (112, 722070), (113, 715680), (120, 673932), (126, 641840), (140, 577656), (142, 569520), (144, 561610), (160, 505449), (168, 481380), (180, 449288), (210, 385104), (213, 379680), (224, 361035), (226, 357840), (240, 336966), (252, 320920), (280, 288828), (284, 284760), (288, 280805), (315, 256736), (336, 240690), (339, 238560), (355, 227808), (360, 224644), (420, 192552), (426, 189840), (452, 178920), (480, 168483), (497, 162720), (504, 160460), (560, 144414), (565, 143136), (568, 142380), (630, 128368), (639, 126560), (672, 120345), (678, 119280), (710, 113904), (720, 112322), (791, 102240), (840, 96276), (852, 94920), (904, 89460), (994, 81360), (1008, 80230), (1017, 79520), (1065, 75936), (1120, 72207), (1130, 71568), (1136, 71190), (1260, 64184), (1278, 63280), (1356, 59640), (1420, 56952), (1440, 56161), (1491, 54240), (1582, 51120), (1680, 48138), (1695, 47712), (1704, 47460), (1808, 44730), (1988, 40680), (2016, 40115), (2034, 39760), (2130, 37968), (2260, 35784), (2272, 35595), (2373, 34080), (2485, 32544), (2520, 32092), (2556, 31640), (2712, 29820), (2840, 28476), (2982, 27120), (3164, 25560), (3195, 25312), (3360, 24069), (3390, 23856), (3408, 23730), (3616, 22365), (3955, 20448), (3976, 20340), (4068, 19880), (4260, 18984), (4473, 18080), (4520, 17892), (4746, 17040), (4970, 16272), (5040, 16046), (5085, 15904), (5112, 15820), (5424, 14910), (5680, 14238), (5964, 13560), (6328, 12780), (6390, 12656), (6780, 11928), (6816, 11865), (7119, 11360), (7455, 10848), (7910, 10224), (7952, 10170), (8023, 10080), (8136, 9940), (8520, 9492), (8946, 9040)]