280631520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 384

約数和(自身を含む): 1117670400

約数和(自身を除く): 837038880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 32, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 108, 114, 117, 120, 130, 135, 144, 152, 156, 160, 171, 180, 190, 195, 208, 216, 228, 234, 240, 247, 260, 263, 270, 285, 288, 304, 312, 342, 351, 360, 380, 390, 416, 432, 456, 468, 480, 494, 513, 520, 526, 540, 570, 585, 608, 624, 684, 702, 720, 741, 760, 780, 789, 855, 864, 912, 936, 988, 1026, 1040, 1052, 1080, 1140, 1170, 1235, 1248, 1315, 1368, 1404, 1440, 1482, 1520, 1560, 1578, 1710, 1755, 1824, 1872, 1976, 2052, 2080, 2104, 2160, 2223, 2280, 2340, 2367, 2470, 2565, 2630, 2736, 2808, 2964, 3040, 3120, 3156, 3419, 3420, 3510, 3705, 3744, 3945, 3952, 4104, 4208, 4320, 4446, 4560, 4680, 4734, 4940, 4997, 5130, 5260, 5472, 5616, 5928, 6240, 6312, 6669, 6838, 6840, 7020, 7101, 7410, 7890, 7904, 8208, 8416, 8892, 9120, 9360, 9468, 9880, 9994, 10257, 10260, 10520, 11115, 11232, 11835, 11856, 12624, 13338, 13676, 13680, 14040, 14202, 14820, 14991, 15780, 16416, 17095, 17784, 18720, 18936, 19760, 19988, 20514, 20520, 21040, 22230, 23670, 23712, 24985, 25248, 26676, 27352, 27360, 28080, 28404, 29640, 29982, 30771, 31560, 33345, 34190, 35505, 35568, 37872, 39520, 39976, 41028, 41040, 42080, 44460, 44973, 47340, 49970, 51285, 53352, 54704, 56160, 56808, 59280, 59964, 61542, 63120, 64961, 66690, 68380, 71010, 71136, 74955, 75744, 79952, 82056, 82080, 88920, 89946, 92313, 94680, 99940, 102570, 106704, 109408, 113616, 118560, 119928, 123084, 126240, 129922, 133380, 134919, 136760, 142020, 149910, 153855, 159904, 164112, 177840, 179892, 184626, 189360, 194883, 199880, 205140, 213408, 224865, 227232, 239856, 246168, 259844, 266760, 269838, 273520, 284040, 299820, 307710, 324805, 328224, 355680, 359784, 369252, 378720, 389766, 399760, 410280, 449730, 461565, 479712, 492336, 519688, 533520, 539676, 547040, 568080, 584649, 599640, 615420, 649610, 674595, 719568, 738504, 779532, 799520, 820560, 899460, 923130, 974415, 984672, 1039376, 1067040, 1079352, 1136160, 1169298, 1199280, 1230840, 1299220, 1349190, 1439136, 1477008, 1559064, 1641120, 1753947, 1798920, 1846260, 1948830, 2078752, 2158704, 2338596, 2398560, 2461680, 2598440, 2698380, 2923245, 2954016, 3118128, 3507894, 3597840, 3692520, 3897660, 4317408, 4677192, 4923360, 5196880, 5396760, 5846490, 6236256, 7015788, 7195680, 7385040, 7795320, 8769735, 9354384, 10393760, 10793520, 11692980, 14031576, 14770080, 15590640, 17539470, 18708768, 21587040, 23385960, 28063152, 31181280, 35078940, 46771920, 56126304, 70157880, 93543840, 140315760, 280631520]

約数ペア:

[(1, 280631520), (2, 140315760), (3, 93543840), (4, 70157880), (5, 56126304), (6, 46771920), (8, 35078940), (9, 31181280), (10, 28063152), (12, 23385960), (13, 21587040), (15, 18708768), (16, 17539470), (18, 15590640), (19, 14770080), (20, 14031576), (24, 11692980), (26, 10793520), (27, 10393760), (30, 9354384), (32, 8769735), (36, 7795320), (38, 7385040), (39, 7195680), (40, 7015788), (45, 6236256), (48, 5846490), (52, 5396760), (54, 5196880), (57, 4923360), (60, 4677192), (65, 4317408), (72, 3897660), (76, 3692520), (78, 3597840), (80, 3507894), (90, 3118128), (95, 2954016), (96, 2923245), (104, 2698380), (108, 2598440), (114, 2461680), (117, 2398560), (120, 2338596), (130, 2158704), (135, 2078752), (144, 1948830), (152, 1846260), (156, 1798920), (160, 1753947), (171, 1641120), (180, 1559064), (190, 1477008), (195, 1439136), (208, 1349190), (216, 1299220), (228, 1230840), (234, 1199280), (240, 1169298), (247, 1136160), (260, 1079352), (263, 1067040), (270, 1039376), (285, 984672), (288, 974415), (304, 923130), (312, 899460), (342, 820560), (351, 799520), (360, 779532), (380, 738504), (390, 719568), (416, 674595), (432, 649610), (456, 615420), (468, 599640), (480, 584649), (494, 568080), (513, 547040), (520, 539676), (526, 533520), (540, 519688), (570, 492336), (585, 479712), (608, 461565), (624, 449730), (684, 410280), (702, 399760), (720, 389766), (741, 378720), (760, 369252), (780, 359784), (789, 355680), (855, 328224), (864, 324805), (912, 307710), (936, 299820), (988, 284040), (1026, 273520), (1040, 269838), (1052, 266760), (1080, 259844), (1140, 246168), (1170, 239856), (1235, 227232), (1248, 224865), (1315, 213408), (1368, 205140), (1404, 199880), (1440, 194883), (1482, 189360), (1520, 184626), (1560, 179892), (1578, 177840), (1710, 164112), (1755, 159904), (1824, 153855), (1872, 149910), (1976, 142020), (2052, 136760), (2080, 134919), (2104, 133380), (2160, 129922), (2223, 126240), (2280, 123084), (2340, 119928), (2367, 118560), (2470, 113616), (2565, 109408), (2630, 106704), (2736, 102570), (2808, 99940), (2964, 94680), (3040, 92313), (3120, 89946), (3156, 88920), (3419, 82080), (3420, 82056), (3510, 79952), (3705, 75744), (3744, 74955), (3945, 71136), (3952, 71010), (4104, 68380), (4208, 66690), (4320, 64961), (4446, 63120), (4560, 61542), (4680, 59964), (4734, 59280), (4940, 56808), (4997, 56160), (5130, 54704), (5260, 53352), (5472, 51285), (5616, 49970), (5928, 47340), (6240, 44973), (6312, 44460), (6669, 42080), (6838, 41040), (6840, 41028), (7020, 39976), (7101, 39520), (7410, 37872), (7890, 35568), (7904, 35505), (8208, 34190), (8416, 33345), (8892, 31560), (9120, 30771), (9360, 29982), (9468, 29640), (9880, 28404), (9994, 28080), (10257, 27360), (10260, 27352), (10520, 26676), (11115, 25248), (11232, 24985), (11835, 23712), (11856, 23670), (12624, 22230), (13338, 21040), (13676, 20520), (13680, 20514), (14040, 19988), (14202, 19760), (14820, 18936), (14991, 18720), (15780, 17784), (16416, 17095)]