81959040

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 384

約数和(自身を含む): 320785920

約数和(自身を除く): 238826880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 32, 34, 36, 40, 45, 48, 51, 54, 60, 62, 64, 68, 72, 80, 81, 85, 90, 93, 96, 102, 108, 120, 124, 128, 135, 136, 144, 153, 155, 160, 162, 170, 180, 186, 192, 204, 216, 240, 243, 248, 255, 270, 272, 279, 288, 306, 310, 320, 324, 340, 360, 372, 384, 405, 408, 432, 459, 465, 480, 486, 496, 510, 527, 540, 544, 558, 576, 612, 620, 640, 648, 680, 720, 744, 765, 810, 816, 837, 864, 918, 930, 960, 972, 992, 1020, 1054, 1080, 1088, 1116, 1152, 1215, 1224, 1240, 1296, 1360, 1377, 1395, 1440, 1488, 1530, 1581, 1620, 1632, 1674, 1728, 1836, 1860, 1920, 1944, 1984, 2040, 2108, 2160, 2176, 2232, 2295, 2430, 2448, 2480, 2511, 2592, 2635, 2720, 2754, 2790, 2880, 2976, 3060, 3162, 3240, 3264, 3348, 3456, 3672, 3720, 3888, 3968, 4080, 4131, 4185, 4216, 4320, 4464, 4590, 4743, 4860, 4896, 4960, 5022, 5184, 5270, 5440, 5508, 5580, 5760, 5952, 6120, 6324, 6480, 6528, 6696, 6885, 7344, 7440, 7533, 7776, 7905, 8160, 8262, 8370, 8432, 8640, 8928, 9180, 9486, 9720, 9792, 9920, 10044, 10368, 10540, 10880, 11016, 11160, 11904, 12240, 12555, 12648, 12960, 13392, 13770, 14229, 14688, 14880, 15066, 15552, 15810, 16320, 16524, 16740, 16864, 17280, 17856, 18360, 18972, 19440, 19584, 19840, 20088, 20655, 21080, 22032, 22320, 23715, 24480, 25110, 25296, 25920, 26784, 27540, 28458, 29376, 29760, 30132, 31104, 31620, 32640, 33048, 33480, 33728, 35712, 36720, 37665, 37944, 38880, 40176, 41310, 42160, 42687, 44064, 44640, 47430, 48960, 50220, 50592, 51840, 53568, 55080, 56916, 58752, 59520, 60264, 63240, 66096, 66960, 67456, 71145, 73440, 75330, 75888, 77760, 80352, 82620, 84320, 85374, 88128, 89280, 94860, 97920, 100440, 101184, 107136, 110160, 113832, 120528, 126480, 128061, 132192, 133920, 142290, 146880, 150660, 151776, 155520, 160704, 165240, 168640, 170748, 176256, 178560, 189720, 200880, 202368, 213435, 220320, 227664, 241056, 252960, 256122, 264384, 267840, 284580, 293760, 301320, 303552, 321408, 330480, 337280, 341496, 379440, 401760, 426870, 440640, 455328, 482112, 505920, 512244, 528768, 535680, 569160, 602640, 607104, 640305, 660960, 682992, 758880, 803520, 853740, 881280, 910656, 964224, 1011840, 1024488, 1138320, 1205280, 1280610, 1321920, 1365984, 1517760, 1607040, 1707480, 1821312, 2048976, 2276640, 2410560, 2561220, 2643840, 2731968, 3035520, 3414960, 4097952, 4553280, 4821120, 5122440, 5463936, 6829920, 8195904, 9106560, 10244880, 13659840, 16391808, 20489760, 27319680, 40979520, 81959040]

約数ペア:

[(1, 81959040), (2, 40979520), (3, 27319680), (4, 20489760), (5, 16391808), (6, 13659840), (8, 10244880), (9, 9106560), (10, 8195904), (12, 6829920), (15, 5463936), (16, 5122440), (17, 4821120), (18, 4553280), (20, 4097952), (24, 3414960), (27, 3035520), (30, 2731968), (31, 2643840), (32, 2561220), (34, 2410560), (36, 2276640), (40, 2048976), (45, 1821312), (48, 1707480), (51, 1607040), (54, 1517760), (60, 1365984), (62, 1321920), (64, 1280610), (68, 1205280), (72, 1138320), (80, 1024488), (81, 1011840), (85, 964224), (90, 910656), (93, 881280), (96, 853740), (102, 803520), (108, 758880), (120, 682992), (124, 660960), (128, 640305), (135, 607104), (136, 602640), (144, 569160), (153, 535680), (155, 528768), (160, 512244), (162, 505920), (170, 482112), (180, 455328), (186, 440640), (192, 426870), (204, 401760), (216, 379440), (240, 341496), (243, 337280), (248, 330480), (255, 321408), (270, 303552), (272, 301320), (279, 293760), (288, 284580), (306, 267840), (310, 264384), (320, 256122), (324, 252960), (340, 241056), (360, 227664), (372, 220320), (384, 213435), (405, 202368), (408, 200880), (432, 189720), (459, 178560), (465, 176256), (480, 170748), (486, 168640), (496, 165240), (510, 160704), (527, 155520), (540, 151776), (544, 150660), (558, 146880), (576, 142290), (612, 133920), (620, 132192), (640, 128061), (648, 126480), (680, 120528), (720, 113832), (744, 110160), (765, 107136), (810, 101184), (816, 100440), (837, 97920), (864, 94860), (918, 89280), (930, 88128), (960, 85374), (972, 84320), (992, 82620), (1020, 80352), (1054, 77760), (1080, 75888), (1088, 75330), (1116, 73440), (1152, 71145), (1215, 67456), (1224, 66960), (1240, 66096), (1296, 63240), (1360, 60264), (1377, 59520), (1395, 58752), (1440, 56916), (1488, 55080), (1530, 53568), (1581, 51840), (1620, 50592), (1632, 50220), (1674, 48960), (1728, 47430), (1836, 44640), (1860, 44064), (1920, 42687), (1944, 42160), (1984, 41310), (2040, 40176), (2108, 38880), (2160, 37944), (2176, 37665), (2232, 36720), (2295, 35712), (2430, 33728), (2448, 33480), (2480, 33048), (2511, 32640), (2592, 31620), (2635, 31104), (2720, 30132), (2754, 29760), (2790, 29376), (2880, 28458), (2976, 27540), (3060, 26784), (3162, 25920), (3240, 25296), (3264, 25110), (3348, 24480), (3456, 23715), (3672, 22320), (3720, 22032), (3888, 21080), (3968, 20655), (4080, 20088), (4131, 19840), (4185, 19584), (4216, 19440), (4320, 18972), (4464, 18360), (4590, 17856), (4743, 17280), (4860, 16864), (4896, 16740), (4960, 16524), (5022, 16320), (5184, 15810), (5270, 15552), (5440, 15066), (5508, 14880), (5580, 14688), (5760, 14229), (5952, 13770), (6120, 13392), (6324, 12960), (6480, 12648), (6528, 12555), (6696, 12240), (6885, 11904), (7344, 11160), (7440, 11016), (7533, 10880), (7776, 10540), (7905, 10368), (8160, 10044), (8262, 9920), (8370, 9792), (8432, 9720), (8640, 9486), (8928, 9180)]