1278182080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:367

約数の個数: 224

約数和(自身を含む): 3651747840

約数和(自身を除く): 2373565760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 79, 80, 112, 124, 140, 155, 158, 160, 217, 224, 233, 248, 280, 310, 316, 320, 395, 434, 448, 466, 496, 553, 560, 620, 632, 790, 868, 932, 992, 1085, 1106, 1120, 1165, 1240, 1264, 1580, 1631, 1736, 1864, 1984, 2170, 2212, 2240, 2330, 2449, 2480, 2528, 2765, 3160, 3262, 3472, 3728, 4340, 4424, 4660, 4898, 4960, 5056, 5530, 6320, 6524, 6944, 7223, 7456, 8155, 8680, 8848, 9320, 9796, 9920, 11060, 12245, 12640, 13048, 13888, 14446, 14912, 16310, 17143, 17360, 17696, 18407, 18640, 19592, 22120, 24490, 25280, 26096, 28892, 32620, 34286, 34720, 35392, 36115, 36814, 37280, 39184, 44240, 48980, 50561, 52192, 57784, 65240, 68572, 69440, 72230, 73628, 74560, 78368, 85715, 88480, 92035, 97960, 101122, 104384, 115568, 128849, 130480, 137144, 144460, 147256, 156736, 171430, 176960, 184070, 195920, 202244, 231136, 252805, 257698, 260960, 274288, 288920, 294512, 342860, 368140, 391840, 404488, 462272, 505610, 515396, 521920, 548576, 570617, 577840, 589024, 644245, 685720, 736280, 783680, 808976, 1011220, 1030792, 1097152, 1141234, 1155680, 1178048, 1288490, 1371440, 1472560, 1617952, 2022440, 2061584, 2282468, 2311360, 2576980, 2742880, 2853085, 2945120, 3235904, 3994319, 4044880, 4123168, 4564936, 5153960, 5485760, 5706170, 5890240, 7988638, 8089760, 8246336, 9129872, 10307920, 11412340, 15977276, 16179520, 18259744, 19971595, 20615840, 22824680, 31954552, 36519488, 39943190, 41231680, 45649360, 63909104, 79886380, 91298720, 127818208, 159772760, 182597440, 255636416, 319545520, 639091040, 1278182080]

約数ペア:

[(1, 1278182080), (2, 639091040), (4, 319545520), (5, 255636416), (7, 182597440), (8, 159772760), (10, 127818208), (14, 91298720), (16, 79886380), (20, 63909104), (28, 45649360), (31, 41231680), (32, 39943190), (35, 36519488), (40, 31954552), (56, 22824680), (62, 20615840), (64, 19971595), (70, 18259744), (79, 16179520), (80, 15977276), (112, 11412340), (124, 10307920), (140, 9129872), (155, 8246336), (158, 8089760), (160, 7988638), (217, 5890240), (224, 5706170), (233, 5485760), (248, 5153960), (280, 4564936), (310, 4123168), (316, 4044880), (320, 3994319), (395, 3235904), (434, 2945120), (448, 2853085), (466, 2742880), (496, 2576980), (553, 2311360), (560, 2282468), (620, 2061584), (632, 2022440), (790, 1617952), (868, 1472560), (932, 1371440), (992, 1288490), (1085, 1178048), (1106, 1155680), (1120, 1141234), (1165, 1097152), (1240, 1030792), (1264, 1011220), (1580, 808976), (1631, 783680), (1736, 736280), (1864, 685720), (1984, 644245), (2170, 589024), (2212, 577840), (2240, 570617), (2330, 548576), (2449, 521920), (2480, 515396), (2528, 505610), (2765, 462272), (3160, 404488), (3262, 391840), (3472, 368140), (3728, 342860), (4340, 294512), (4424, 288920), (4660, 274288), (4898, 260960), (4960, 257698), (5056, 252805), (5530, 231136), (6320, 202244), (6524, 195920), (6944, 184070), (7223, 176960), (7456, 171430), (8155, 156736), (8680, 147256), (8848, 144460), (9320, 137144), (9796, 130480), (9920, 128849), (11060, 115568), (12245, 104384), (12640, 101122), (13048, 97960), (13888, 92035), (14446, 88480), (14912, 85715), (16310, 78368), (17143, 74560), (17360, 73628), (17696, 72230), (18407, 69440), (18640, 68572), (19592, 65240), (22120, 57784), (24490, 52192), (25280, 50561), (26096, 48980), (28892, 44240), (32620, 39184), (34286, 37280), (34720, 36814), (35392, 36115)]