646974720

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 432

約数和(自身を含む): 2617235712

約数和(自身を除く): 1970260992

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, 64, 70, 71, 72, 80, 84, 90, 96, 105, 112, 113, 120, 126, 128, 140, 142, 144, 160, 168, 180, 192, 210, 213, 224, 226, 240, 252, 256, 280, 284, 288, 315, 320, 336, 339, 355, 360, 384, 420, 426, 448, 452, 480, 497, 504, 560, 565, 568, 576, 630, 639, 640, 672, 678, 710, 720, 768, 791, 840, 852, 896, 904, 960, 994, 1008, 1017, 1065, 1120, 1130, 1136, 1152, 1260, 1278, 1280, 1344, 1356, 1420, 1440, 1491, 1582, 1680, 1695, 1704, 1792, 1808, 1920, 1988, 2016, 2034, 2130, 2240, 2260, 2272, 2304, 2373, 2485, 2520, 2556, 2688, 2712, 2840, 2880, 2982, 3164, 3195, 3360, 3390, 3408, 3616, 3840, 3955, 3976, 4032, 4068, 4260, 4473, 4480, 4520, 4544, 4746, 4970, 5040, 5085, 5112, 5376, 5424, 5680, 5760, 5964, 6328, 6390, 6720, 6780, 6816, 7119, 7232, 7455, 7910, 7952, 8023, 8064, 8136, 8520, 8946, 8960, 9040, 9088, 9492, 9940, 10080, 10170, 10224, 10848, 11360, 11520, 11865, 11928, 12656, 12780, 13440, 13560, 13632, 14238, 14464, 14910, 15820, 15904, 16046, 16128, 16272, 17040, 17892, 18080, 18176, 18984, 19880, 20160, 20340, 20448, 21696, 22365, 22720, 23730, 23856, 24069, 25312, 25560, 26880, 27120, 27264, 28476, 28928, 29820, 31640, 31808, 32092, 32544, 34080, 35595, 35784, 36160, 37968, 39760, 40115, 40320, 40680, 40896, 43392, 44730, 45440, 47460, 47712, 48138, 50624, 51120, 54240, 54528, 56161, 56952, 59640, 63280, 63616, 64184, 65088, 68160, 71190, 71568, 72207, 72320, 75936, 79520, 80230, 80640, 81360, 81792, 86784, 89460, 90880, 94920, 95424, 96276, 101248, 102240, 108480, 112322, 113904, 119280, 120345, 126560, 127232, 128368, 130176, 136320, 142380, 143136, 144414, 144640, 151872, 159040, 160460, 162720, 163584, 168483, 178920, 189840, 190848, 192552, 202496, 204480, 216960, 224644, 227808, 238560, 240690, 253120, 256736, 260352, 272640, 280805, 284760, 286272, 288828, 303744, 318080, 320920, 325440, 336966, 357840, 361035, 379680, 381696, 385104, 408960, 433920, 449288, 455616, 477120, 481380, 505449, 506240, 513472, 561610, 569520, 572544, 577656, 607488, 636160, 641840, 650880, 673932, 715680, 722070, 759360, 770208, 817920, 842415, 898576, 911232, 954240, 962760, 1010898, 1012480, 1026944, 1123220, 1139040, 1145088, 1155312, 1283680, 1301760, 1347864, 1431360, 1444140, 1518720, 1540416, 1684830, 1797152, 1822464, 1908480, 1925520, 2021796, 2053888, 2246440, 2278080, 2310624, 2527245, 2567360, 2695728, 2862720, 2888280, 3037440, 3080832, 3369660, 3594304, 3851040, 4043592, 4492880, 4556160, 4621248, 5054490, 5134720, 5391456, 5725440, 5776560, 6161664, 6739320, 7188608, 7702080, 8087184, 8985760, 9112320, 9242496, 10108980, 10269440, 10782912, 11553120, 13478640, 14377216, 15404160, 16174368, 17971520, 18484992, 20217960, 21565824, 23106240, 26957280, 30808320, 32348736, 35943040, 40435920, 43131648, 46212480, 53914560, 64697472, 71886080, 80871840, 92424960, 107829120, 129394944, 161743680, 215658240, 323487360, 646974720]

約数ペア:

[(1, 646974720), (2, 323487360), (3, 215658240), (4, 161743680), (5, 129394944), (6, 107829120), (7, 92424960), (8, 80871840), (9, 71886080), (10, 64697472), (12, 53914560), (14, 46212480), (15, 43131648), (16, 40435920), (18, 35943040), (20, 32348736), (21, 30808320), (24, 26957280), (28, 23106240), (30, 21565824), (32, 20217960), (35, 18484992), (36, 17971520), (40, 16174368), (42, 15404160), (45, 14377216), (48, 13478640), (56, 11553120), (60, 10782912), (63, 10269440), (64, 10108980), (70, 9242496), (71, 9112320), (72, 8985760), (80, 8087184), (84, 7702080), (90, 7188608), (96, 6739320), (105, 6161664), (112, 5776560), (113, 5725440), (120, 5391456), (126, 5134720), (128, 5054490), (140, 4621248), (142, 4556160), (144, 4492880), (160, 4043592), (168, 3851040), (180, 3594304), (192, 3369660), (210, 3080832), (213, 3037440), (224, 2888280), (226, 2862720), (240, 2695728), (252, 2567360), (256, 2527245), (280, 2310624), (284, 2278080), (288, 2246440), (315, 2053888), (320, 2021796), (336, 1925520), (339, 1908480), (355, 1822464), (360, 1797152), (384, 1684830), (420, 1540416), (426, 1518720), (448, 1444140), (452, 1431360), (480, 1347864), (497, 1301760), (504, 1283680), (560, 1155312), (565, 1145088), (568, 1139040), (576, 1123220), (630, 1026944), (639, 1012480), (640, 1010898), (672, 962760), (678, 954240), (710, 911232), (720, 898576), (768, 842415), (791, 817920), (840, 770208), (852, 759360), (896, 722070), (904, 715680), (960, 673932), (994, 650880), (1008, 641840), (1017, 636160), (1065, 607488), (1120, 577656), (1130, 572544), (1136, 569520), (1152, 561610), (1260, 513472), (1278, 506240), (1280, 505449), (1344, 481380), (1356, 477120), (1420, 455616), (1440, 449288), (1491, 433920), (1582, 408960), (1680, 385104), (1695, 381696), (1704, 379680), (1792, 361035), (1808, 357840), (1920, 336966), (1988, 325440), (2016, 320920), (2034, 318080), (2130, 303744), (2240, 288828), (2260, 286272), (2272, 284760), (2304, 280805), (2373, 272640), (2485, 260352), (2520, 256736), (2556, 253120), (2688, 240690), (2712, 238560), (2840, 227808), (2880, 224644), (2982, 216960), (3164, 204480), (3195, 202496), (3360, 192552), (3390, 190848), (3408, 189840), (3616, 178920), (3840, 168483), (3955, 163584), (3976, 162720), (4032, 160460), (4068, 159040), (4260, 151872), (4473, 144640), (4480, 144414), (4520, 143136), (4544, 142380), (4746, 136320), (4970, 130176), (5040, 128368), (5085, 127232), (5112, 126560), (5376, 120345), (5424, 119280), (5680, 113904), (5760, 112322), (5964, 108480), (6328, 102240), (6390, 101248), (6720, 96276), (6780, 95424), (6816, 94920), (7119, 90880), (7232, 89460), (7455, 86784), (7910, 81792), (7952, 81360), (8023, 80640), (8064, 80230), (8136, 79520), (8520, 75936), (8946, 72320), (8960, 72207), (9040, 71568), (9088, 71190), (9492, 68160), (9940, 65088), (10080, 64184), (10170, 63616), (10224, 63280), (10848, 59640), (11360, 56952), (11520, 56161), (11865, 54528), (11928, 54240), (12656, 51120), (12780, 50624), (13440, 48138), (13560, 47712), (13632, 47460), (14238, 45440), (14464, 44730), (14910, 43392), (15820, 40896), (15904, 40680), (16046, 40320), (16128, 40115), (16272, 39760), (17040, 37968), (17892, 36160), (18080, 35784), (18176, 35595), (18984, 34080), (19880, 32544), (20160, 32092), (20340, 31808), (20448, 31640), (21696, 29820), (22365, 28928), (22720, 28476), (23730, 27264), (23856, 27120), (24069, 26880), (25312, 25560)]