81678240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 384

約数和(自身を含む): 340139520

約数和(自身を除く): 258461280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 73, 74, 80, 84, 90, 96, 105, 108, 111, 112, 120, 126, 135, 140, 144, 146, 148, 160, 168, 180, 185, 189, 210, 216, 219, 222, 224, 240, 252, 259, 270, 280, 288, 292, 296, 315, 333, 336, 360, 365, 370, 378, 420, 432, 438, 444, 480, 504, 511, 518, 540, 555, 560, 584, 592, 630, 657, 666, 672, 720, 730, 740, 756, 777, 840, 864, 876, 888, 945, 999, 1008, 1022, 1036, 1080, 1095, 1110, 1120, 1168, 1184, 1260, 1295, 1314, 1332, 1440, 1460, 1480, 1512, 1533, 1554, 1665, 1680, 1752, 1776, 1890, 1971, 1998, 2016, 2044, 2072, 2160, 2190, 2220, 2331, 2336, 2520, 2555, 2590, 2628, 2664, 2701, 2920, 2960, 3024, 3066, 3108, 3285, 3330, 3360, 3504, 3552, 3780, 3885, 3942, 3996, 4088, 4144, 4320, 4380, 4440, 4599, 4662, 4995, 5040, 5110, 5180, 5256, 5328, 5402, 5840, 5920, 6048, 6132, 6216, 6570, 6660, 6993, 7008, 7560, 7665, 7770, 7884, 7992, 8103, 8176, 8288, 8760, 8880, 9198, 9324, 9855, 9990, 10080, 10220, 10360, 10512, 10656, 10804, 11655, 11680, 12264, 12432, 13140, 13320, 13505, 13797, 13986, 15120, 15330, 15540, 15768, 15984, 16206, 16352, 17520, 17760, 18396, 18648, 18907, 19710, 19980, 20440, 20720, 21024, 21608, 22995, 23310, 24309, 24528, 24864, 26280, 26640, 27010, 27594, 27972, 30240, 30660, 31080, 31536, 31968, 32412, 34965, 35040, 36792, 37296, 37814, 39420, 39960, 40515, 40880, 41440, 43216, 45990, 46620, 48618, 49056, 52560, 53280, 54020, 55188, 55944, 56721, 61320, 62160, 63072, 64824, 68985, 69930, 72927, 73584, 74592, 75628, 78840, 79920, 81030, 81760, 86432, 91980, 93240, 94535, 97236, 105120, 108040, 110376, 111888, 113442, 121545, 122640, 124320, 129648, 137970, 139860, 145854, 147168, 151256, 157680, 159840, 162060, 170163, 183960, 186480, 189070, 194472, 216080, 220752, 223776, 226884, 243090, 245280, 259296, 275940, 279720, 283605, 291708, 302512, 315360, 324120, 340326, 364635, 367920, 372960, 378140, 388944, 432160, 441504, 453768, 486180, 510489, 551880, 559440, 567210, 583416, 605024, 648240, 680652, 729270, 735840, 756280, 777888, 850815, 907536, 972360, 1020978, 1103760, 1118880, 1134420, 1166832, 1296480, 1361304, 1458540, 1512560, 1701630, 1815072, 1944720, 2041956, 2207520, 2268840, 2333664, 2552445, 2722608, 2917080, 3025120, 3403260, 3889440, 4083912, 4537680, 5104890, 5445216, 5834160, 6806520, 8167824, 9075360, 10209780, 11668320, 13613040, 16335648, 20419560, 27226080, 40839120, 81678240]

約数ペア:

[(1, 81678240), (2, 40839120), (3, 27226080), (4, 20419560), (5, 16335648), (6, 13613040), (7, 11668320), (8, 10209780), (9, 9075360), (10, 8167824), (12, 6806520), (14, 5834160), (15, 5445216), (16, 5104890), (18, 4537680), (20, 4083912), (21, 3889440), (24, 3403260), (27, 3025120), (28, 2917080), (30, 2722608), (32, 2552445), (35, 2333664), (36, 2268840), (37, 2207520), (40, 2041956), (42, 1944720), (45, 1815072), (48, 1701630), (54, 1512560), (56, 1458540), (60, 1361304), (63, 1296480), (70, 1166832), (72, 1134420), (73, 1118880), (74, 1103760), (80, 1020978), (84, 972360), (90, 907536), (96, 850815), (105, 777888), (108, 756280), (111, 735840), (112, 729270), (120, 680652), (126, 648240), (135, 605024), (140, 583416), (144, 567210), (146, 559440), (148, 551880), (160, 510489), (168, 486180), (180, 453768), (185, 441504), (189, 432160), (210, 388944), (216, 378140), (219, 372960), (222, 367920), (224, 364635), (240, 340326), (252, 324120), (259, 315360), (270, 302512), (280, 291708), (288, 283605), (292, 279720), (296, 275940), (315, 259296), (333, 245280), (336, 243090), (360, 226884), (365, 223776), (370, 220752), (378, 216080), (420, 194472), (432, 189070), (438, 186480), (444, 183960), (480, 170163), (504, 162060), (511, 159840), (518, 157680), (540, 151256), (555, 147168), (560, 145854), (584, 139860), (592, 137970), (630, 129648), (657, 124320), (666, 122640), (672, 121545), (720, 113442), (730, 111888), (740, 110376), (756, 108040), (777, 105120), (840, 97236), (864, 94535), (876, 93240), (888, 91980), (945, 86432), (999, 81760), (1008, 81030), (1022, 79920), (1036, 78840), (1080, 75628), (1095, 74592), (1110, 73584), (1120, 72927), (1168, 69930), (1184, 68985), (1260, 64824), (1295, 63072), (1314, 62160), (1332, 61320), (1440, 56721), (1460, 55944), (1480, 55188), (1512, 54020), (1533, 53280), (1554, 52560), (1665, 49056), (1680, 48618), (1752, 46620), (1776, 45990), (1890, 43216), (1971, 41440), (1998, 40880), (2016, 40515), (2044, 39960), (2072, 39420), (2160, 37814), (2190, 37296), (2220, 36792), (2331, 35040), (2336, 34965), (2520, 32412), (2555, 31968), (2590, 31536), (2628, 31080), (2664, 30660), (2701, 30240), (2920, 27972), (2960, 27594), (3024, 27010), (3066, 26640), (3108, 26280), (3285, 24864), (3330, 24528), (3360, 24309), (3504, 23310), (3552, 22995), (3780, 21608), (3885, 21024), (3942, 20720), (3996, 20440), (4088, 19980), (4144, 19710), (4320, 18907), (4380, 18648), (4440, 18396), (4599, 17760), (4662, 17520), (4995, 16352), (5040, 16206), (5110, 15984), (5180, 15768), (5256, 15540), (5328, 15330), (5402, 15120), (5840, 13986), (5920, 13797), (6048, 13505), (6132, 13320), (6216, 13140), (6570, 12432), (6660, 12264), (6993, 11680), (7008, 11655), (7560, 10804), (7665, 10656), (7770, 10512), (7884, 10360), (7992, 10220), (8103, 10080), (8176, 9990), (8288, 9855), (8760, 9324), (8880, 9198)]