1998185280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 448

約数和(自身を含む): 7926750720

約数和(自身を除く): 5928565440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 89, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 178, 182, 192, 195, 208, 210, 224, 240, 257, 260, 267, 273, 280, 312, 320, 336, 356, 364, 390, 416, 420, 445, 448, 455, 480, 514, 520, 534, 546, 560, 623, 624, 672, 712, 728, 771, 780, 832, 840, 890, 910, 960, 1028, 1040, 1068, 1092, 1120, 1157, 1246, 1248, 1285, 1335, 1344, 1365, 1424, 1456, 1542, 1560, 1680, 1780, 1799, 1820, 1869, 2056, 2080, 2136, 2184, 2240, 2314, 2492, 2496, 2570, 2670, 2730, 2848, 2912, 3084, 3115, 3120, 3341, 3360, 3471, 3560, 3598, 3640, 3738, 3855, 4112, 4160, 4272, 4368, 4628, 4984, 5140, 5340, 5397, 5460, 5696, 5785, 5824, 6168, 6230, 6240, 6682, 6720, 6942, 7120, 7196, 7280, 7476, 7710, 8099, 8224, 8544, 8736, 8995, 9256, 9345, 9968, 10023, 10280, 10680, 10794, 10920, 11570, 12336, 12460, 12480, 13364, 13884, 14240, 14392, 14560, 14952, 15420, 16198, 16448, 16705, 17088, 17355, 17472, 17990, 18512, 18690, 19936, 20046, 20560, 21360, 21588, 21840, 22873, 23140, 23387, 24297, 24672, 24920, 26728, 26985, 27768, 28480, 28784, 29120, 29904, 30840, 32396, 33410, 34710, 35980, 37024, 37380, 39872, 40092, 40495, 41120, 42720, 43176, 43680, 45746, 46280, 46774, 48594, 49344, 49840, 50115, 53456, 53970, 55536, 57568, 59808, 61680, 64792, 66820, 68619, 69420, 70161, 71960, 74048, 74760, 80184, 80990, 82240, 85440, 86352, 87360, 91492, 92560, 93548, 97188, 99680, 100230, 106912, 107940, 111072, 114365, 115136, 116935, 119616, 121485, 123360, 129584, 133640, 137238, 138840, 140322, 143920, 149520, 160111, 160368, 161980, 172704, 182984, 185120, 187096, 194376, 199360, 200460, 213824, 215880, 222144, 228730, 233870, 242970, 246720, 259168, 267280, 274476, 277680, 280644, 287840, 297349, 299040, 320222, 320736, 323960, 343095, 345408, 350805, 365968, 370240, 374192, 388752, 400920, 431760, 457460, 467740, 480333, 485940, 518336, 534560, 548952, 555360, 561288, 575680, 594698, 598080, 640444, 641472, 647920, 686190, 701610, 731936, 748384, 777504, 800555, 801840, 863520, 892047, 914920, 935480, 960666, 971880, 1069120, 1097904, 1110720, 1122576, 1189396, 1280888, 1295840, 1372380, 1403220, 1463872, 1486745, 1496768, 1555008, 1601110, 1603680, 1727040, 1784094, 1829840, 1870960, 1921332, 1943760, 2081443, 2195808, 2245152, 2378792, 2401665, 2561776, 2591680, 2744760, 2806440, 2973490, 3202220, 3207360, 3568188, 3659680, 3741920, 3842664, 3887520, 4162886, 4391616, 4460235, 4490304, 4757584, 4803330, 5123552, 5489520, 5612880, 5946980, 6244329, 6404440, 7136376, 7319360, 7483840, 7685328, 7775040, 8325772, 8920470, 9515168, 9606660, 10247104, 10407215, 10979040, 11225760, 11893960, 12488658, 12808880, 14272752, 15370656, 16651544, 17840940, 19030336, 19213320, 20814430, 21958080, 22451520, 23787920, 24977316, 25617760, 28545504, 30741312, 31221645, 33303088, 35681880, 38426640, 41628860, 47575840, 49954632, 51235520, 57091008, 62443290, 66606176, 71363760, 76853280, 83257720, 95151680, 99909264, 124886580, 133212352, 142727520, 153706560, 166515440, 199818528, 249773160, 285455040, 333030880, 399637056, 499546320, 666061760, 999092640, 1998185280]

約数ペア:

[(1, 1998185280), (2, 999092640), (3, 666061760), (4, 499546320), (5, 399637056), (6, 333030880), (7, 285455040), (8, 249773160), (10, 199818528), (12, 166515440), (13, 153706560), (14, 142727520), (15, 133212352), (16, 124886580), (20, 99909264), (21, 95151680), (24, 83257720), (26, 76853280), (28, 71363760), (30, 66606176), (32, 62443290), (35, 57091008), (39, 51235520), (40, 49954632), (42, 47575840), (48, 41628860), (52, 38426640), (56, 35681880), (60, 33303088), (64, 31221645), (65, 30741312), (70, 28545504), (78, 25617760), (80, 24977316), (84, 23787920), (89, 22451520), (91, 21958080), (96, 20814430), (104, 19213320), (105, 19030336), (112, 17840940), (120, 16651544), (130, 15370656), (140, 14272752), (156, 12808880), (160, 12488658), (168, 11893960), (178, 11225760), (182, 10979040), (192, 10407215), (195, 10247104), (208, 9606660), (210, 9515168), (224, 8920470), (240, 8325772), (257, 7775040), (260, 7685328), (267, 7483840), (273, 7319360), (280, 7136376), (312, 6404440), (320, 6244329), (336, 5946980), (356, 5612880), (364, 5489520), (390, 5123552), (416, 4803330), (420, 4757584), (445, 4490304), (448, 4460235), (455, 4391616), (480, 4162886), (514, 3887520), (520, 3842664), (534, 3741920), (546, 3659680), (560, 3568188), (623, 3207360), (624, 3202220), (672, 2973490), (712, 2806440), (728, 2744760), (771, 2591680), (780, 2561776), (832, 2401665), (840, 2378792), (890, 2245152), (910, 2195808), (960, 2081443), (1028, 1943760), (1040, 1921332), (1068, 1870960), (1092, 1829840), (1120, 1784094), (1157, 1727040), (1246, 1603680), (1248, 1601110), (1285, 1555008), (1335, 1496768), (1344, 1486745), (1365, 1463872), (1424, 1403220), (1456, 1372380), (1542, 1295840), (1560, 1280888), (1680, 1189396), (1780, 1122576), (1799, 1110720), (1820, 1097904), (1869, 1069120), (2056, 971880), (2080, 960666), (2136, 935480), (2184, 914920), (2240, 892047), (2314, 863520), (2492, 801840), (2496, 800555), (2570, 777504), (2670, 748384), (2730, 731936), (2848, 701610), (2912, 686190), (3084, 647920), (3115, 641472), (3120, 640444), (3341, 598080), (3360, 594698), (3471, 575680), (3560, 561288), (3598, 555360), (3640, 548952), (3738, 534560), (3855, 518336), (4112, 485940), (4160, 480333), (4272, 467740), (4368, 457460), (4628, 431760), (4984, 400920), (5140, 388752), (5340, 374192), (5397, 370240), (5460, 365968), (5696, 350805), (5785, 345408), (5824, 343095), (6168, 323960), (6230, 320736), (6240, 320222), (6682, 299040), (6720, 297349), (6942, 287840), (7120, 280644), (7196, 277680), (7280, 274476), (7476, 267280), (7710, 259168), (8099, 246720), (8224, 242970), (8544, 233870), (8736, 228730), (8995, 222144), (9256, 215880), (9345, 213824), (9968, 200460), (10023, 199360), (10280, 194376), (10680, 187096), (10794, 185120), (10920, 182984), (11570, 172704), (12336, 161980), (12460, 160368), (12480, 160111), (13364, 149520), (13884, 143920), (14240, 140322), (14392, 138840), (14560, 137238), (14952, 133640), (15420, 129584), (16198, 123360), (16448, 121485), (16705, 119616), (17088, 116935), (17355, 115136), (17472, 114365), (17990, 111072), (18512, 107940), (18690, 106912), (19936, 100230), (20046, 99680), (20560, 97188), (21360, 93548), (21588, 92560), (21840, 91492), (22873, 87360), (23140, 86352), (23387, 85440), (24297, 82240), (24672, 80990), (24920, 80184), (26728, 74760), (26985, 74048), (27768, 71960), (28480, 70161), (28784, 69420), (29120, 68619), (29904, 66820), (30840, 64792), (32396, 61680), (33410, 59808), (34710, 57568), (35980, 55536), (37024, 53970), (37380, 53456), (39872, 50115), (40092, 49840), (40495, 49344), (41120, 48594), (42720, 46774), (43176, 46280), (43680, 45746)]