1271307520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 288

約数和(自身を含む): 3767500800

約数和(自身を除く): 2496193280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 128, 140, 155, 160, 161, 184, 199, 217, 224, 230, 248, 256, 280, 310, 320, 322, 368, 398, 434, 448, 460, 496, 560, 620, 640, 644, 713, 736, 796, 805, 868, 896, 920, 992, 995, 1085, 1120, 1240, 1280, 1288, 1393, 1426, 1472, 1592, 1610, 1736, 1792, 1840, 1984, 1990, 2170, 2240, 2480, 2576, 2786, 2852, 2944, 3184, 3220, 3472, 3565, 3680, 3968, 3980, 4340, 4480, 4577, 4960, 4991, 5152, 5572, 5704, 5888, 6169, 6368, 6440, 6944, 6965, 7130, 7360, 7936, 7960, 8680, 8960, 9154, 9920, 9982, 10304, 11144, 11408, 12338, 12736, 12880, 13888, 13930, 14260, 14720, 15920, 17360, 18308, 19840, 19964, 20608, 22288, 22816, 22885, 24676, 24955, 25472, 25760, 27776, 27860, 28520, 29440, 30845, 31840, 32039, 34720, 36616, 39680, 39928, 41216, 43183, 44576, 45632, 45770, 49352, 49910, 50944, 51520, 55552, 55720, 57040, 61690, 63680, 64078, 69440, 73232, 79856, 86366, 89152, 91264, 91540, 98704, 99820, 103040, 111440, 114080, 123380, 127360, 128156, 138880, 141887, 146464, 159712, 160195, 172732, 178304, 182528, 183080, 197408, 199640, 206080, 215915, 222880, 228160, 246760, 254720, 256312, 277760, 283774, 292928, 319424, 320390, 345464, 356608, 366160, 394816, 399280, 431830, 445760, 456320, 493520, 512624, 567548, 585856, 638848, 640780, 690928, 709435, 732320, 789632, 798560, 863660, 891520, 912640, 987040, 993209, 1025248, 1135096, 1171712, 1277696, 1281560, 1381856, 1418870, 1464640, 1579264, 1597120, 1727320, 1783040, 1974080, 1986418, 2050496, 2270192, 2563120, 2763712, 2837740, 2929280, 3194240, 3454640, 3948160, 3972836, 4100992, 4540384, 4966045, 5126240, 5527424, 5675480, 5858560, 6388480, 6909280, 7896320, 7945672, 8201984, 9080768, 9932090, 10252480, 11054848, 11350960, 13818560, 15891344, 18161536, 19864180, 20504960, 22701920, 27637120, 31782688, 36323072, 39728360, 41009920, 45403840, 55274240, 63565376, 79456720, 90807680, 127130752, 158913440, 181615360, 254261504, 317826880, 635653760, 1271307520]

約数ペア:

[(1, 1271307520), (2, 635653760), (4, 317826880), (5, 254261504), (7, 181615360), (8, 158913440), (10, 127130752), (14, 90807680), (16, 79456720), (20, 63565376), (23, 55274240), (28, 45403840), (31, 41009920), (32, 39728360), (35, 36323072), (40, 31782688), (46, 27637120), (56, 22701920), (62, 20504960), (64, 19864180), (70, 18161536), (80, 15891344), (92, 13818560), (112, 11350960), (115, 11054848), (124, 10252480), (128, 9932090), (140, 9080768), (155, 8201984), (160, 7945672), (161, 7896320), (184, 6909280), (199, 6388480), (217, 5858560), (224, 5675480), (230, 5527424), (248, 5126240), (256, 4966045), (280, 4540384), (310, 4100992), (320, 3972836), (322, 3948160), (368, 3454640), (398, 3194240), (434, 2929280), (448, 2837740), (460, 2763712), (496, 2563120), (560, 2270192), (620, 2050496), (640, 1986418), (644, 1974080), (713, 1783040), (736, 1727320), (796, 1597120), (805, 1579264), (868, 1464640), (896, 1418870), (920, 1381856), (992, 1281560), (995, 1277696), (1085, 1171712), (1120, 1135096), (1240, 1025248), (1280, 993209), (1288, 987040), (1393, 912640), (1426, 891520), (1472, 863660), (1592, 798560), (1610, 789632), (1736, 732320), (1792, 709435), (1840, 690928), (1984, 640780), (1990, 638848), (2170, 585856), (2240, 567548), (2480, 512624), (2576, 493520), (2786, 456320), (2852, 445760), (2944, 431830), (3184, 399280), (3220, 394816), (3472, 366160), (3565, 356608), (3680, 345464), (3968, 320390), (3980, 319424), (4340, 292928), (4480, 283774), (4577, 277760), (4960, 256312), (4991, 254720), (5152, 246760), (5572, 228160), (5704, 222880), (5888, 215915), (6169, 206080), (6368, 199640), (6440, 197408), (6944, 183080), (6965, 182528), (7130, 178304), (7360, 172732), (7936, 160195), (7960, 159712), (8680, 146464), (8960, 141887), (9154, 138880), (9920, 128156), (9982, 127360), (10304, 123380), (11144, 114080), (11408, 111440), (12338, 103040), (12736, 99820), (12880, 98704), (13888, 91540), (13930, 91264), (14260, 89152), (14720, 86366), (15920, 79856), (17360, 73232), (18308, 69440), (19840, 64078), (19964, 63680), (20608, 61690), (22288, 57040), (22816, 55720), (22885, 55552), (24676, 51520), (24955, 50944), (25472, 49910), (25760, 49352), (27776, 45770), (27860, 45632), (28520, 44576), (29440, 43183), (30845, 41216), (31840, 39928), (32039, 39680), (34720, 36616)]