71513280

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 280

約数和(自身を含む): 265541760

約数和(自身を除く): 194028480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 89, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 178, 180, 186, 192, 216, 240, 248, 267, 270, 279, 288, 310, 320, 324, 356, 360, 372, 405, 432, 445, 465, 480, 496, 534, 540, 558, 576, 620, 648, 712, 720, 744, 801, 810, 837, 864, 890, 930, 960, 992, 1068, 1080, 1116, 1240, 1296, 1335, 1395, 1424, 1440, 1488, 1602, 1620, 1674, 1728, 1780, 1860, 1984, 2136, 2160, 2232, 2403, 2480, 2511, 2592, 2670, 2759, 2790, 2848, 2880, 2976, 3204, 3240, 3348, 3560, 3720, 4005, 4185, 4272, 4320, 4464, 4806, 4960, 5022, 5184, 5340, 5518, 5580, 5696, 5952, 6408, 6480, 6696, 7120, 7209, 7440, 8010, 8277, 8370, 8544, 8640, 8928, 9612, 9920, 10044, 10680, 11036, 11160, 12015, 12555, 12816, 12960, 13392, 13795, 14240, 14418, 14880, 16020, 16554, 16740, 17088, 17856, 19224, 20088, 21360, 22072, 22320, 24030, 24831, 25110, 25632, 25920, 26784, 27590, 28480, 28836, 29760, 32040, 33108, 33480, 36045, 38448, 40176, 41385, 42720, 44144, 44640, 48060, 49662, 50220, 51264, 53568, 55180, 57672, 64080, 66216, 66960, 72090, 74493, 76896, 80352, 82770, 85440, 88288, 89280, 96120, 99324, 100440, 110360, 115344, 124155, 128160, 132432, 133920, 144180, 148986, 153792, 160704, 165540, 176576, 192240, 198648, 200880, 220720, 223479, 230688, 248310, 256320, 264864, 267840, 288360, 297972, 331080, 372465, 384480, 397296, 401760, 441440, 446958, 461376, 496620, 529728, 576720, 595944, 662160, 744930, 768960, 794592, 803520, 882880, 893916, 993240, 1117395, 1153440, 1191888, 1324320, 1489860, 1589184, 1787832, 1986480, 2234790, 2306880, 2383776, 2648640, 2979720, 3575664, 3972960, 4469580, 4767552, 5959440, 7151328, 7945920, 8939160, 11918880, 14302656, 17878320, 23837760, 35756640, 71513280]

約数ペア:

[(1, 71513280), (2, 35756640), (3, 23837760), (4, 17878320), (5, 14302656), (6, 11918880), (8, 8939160), (9, 7945920), (10, 7151328), (12, 5959440), (15, 4767552), (16, 4469580), (18, 3972960), (20, 3575664), (24, 2979720), (27, 2648640), (30, 2383776), (31, 2306880), (32, 2234790), (36, 1986480), (40, 1787832), (45, 1589184), (48, 1489860), (54, 1324320), (60, 1191888), (62, 1153440), (64, 1117395), (72, 993240), (80, 893916), (81, 882880), (89, 803520), (90, 794592), (93, 768960), (96, 744930), (108, 662160), (120, 595944), (124, 576720), (135, 529728), (144, 496620), (155, 461376), (160, 446958), (162, 441440), (178, 401760), (180, 397296), (186, 384480), (192, 372465), (216, 331080), (240, 297972), (248, 288360), (267, 267840), (270, 264864), (279, 256320), (288, 248310), (310, 230688), (320, 223479), (324, 220720), (356, 200880), (360, 198648), (372, 192240), (405, 176576), (432, 165540), (445, 160704), (465, 153792), (480, 148986), (496, 144180), (534, 133920), (540, 132432), (558, 128160), (576, 124155), (620, 115344), (648, 110360), (712, 100440), (720, 99324), (744, 96120), (801, 89280), (810, 88288), (837, 85440), (864, 82770), (890, 80352), (930, 76896), (960, 74493), (992, 72090), (1068, 66960), (1080, 66216), (1116, 64080), (1240, 57672), (1296, 55180), (1335, 53568), (1395, 51264), (1424, 50220), (1440, 49662), (1488, 48060), (1602, 44640), (1620, 44144), (1674, 42720), (1728, 41385), (1780, 40176), (1860, 38448), (1984, 36045), (2136, 33480), (2160, 33108), (2232, 32040), (2403, 29760), (2480, 28836), (2511, 28480), (2592, 27590), (2670, 26784), (2759, 25920), (2790, 25632), (2848, 25110), (2880, 24831), (2976, 24030), (3204, 22320), (3240, 22072), (3348, 21360), (3560, 20088), (3720, 19224), (4005, 17856), (4185, 17088), (4272, 16740), (4320, 16554), (4464, 16020), (4806, 14880), (4960, 14418), (5022, 14240), (5184, 13795), (5340, 13392), (5518, 12960), (5580, 12816), (5696, 12555), (5952, 12015), (6408, 11160), (6480, 11036), (6696, 10680), (7120, 10044), (7209, 9920), (7440, 9612), (8010, 8928), (8277, 8640), (8370, 8544)]