81608976

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 253875492

約数和(自身を除く): 172266516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 37, 48, 51, 53, 68, 72, 74, 102, 106, 111, 136, 144, 148, 153, 159, 204, 212, 222, 272, 289, 296, 306, 318, 333, 408, 424, 444, 477, 578, 592, 612, 629, 636, 666, 816, 848, 867, 888, 901, 954, 1156, 1224, 1258, 1272, 1332, 1734, 1776, 1802, 1887, 1908, 1961, 2312, 2448, 2516, 2544, 2601, 2664, 2703, 3468, 3604, 3774, 3816, 3922, 4624, 5032, 5202, 5328, 5406, 5661, 5883, 6936, 7208, 7548, 7632, 7844, 8109, 10064, 10404, 10693, 10812, 11322, 11766, 13872, 14416, 15096, 15317, 15688, 16218, 17649, 20808, 21386, 21624, 22644, 23532, 30192, 30634, 31376, 32079, 32436, 33337, 35298, 41616, 42772, 43248, 45288, 45951, 47064, 61268, 64158, 64872, 66674, 70596, 85544, 90576, 91902, 94128, 96237, 100011, 122536, 128316, 129744, 133348, 137853, 141192, 171088, 183804, 192474, 200022, 245072, 256632, 266696, 275706, 282384, 300033, 367608, 384948, 400044, 513264, 533392, 551412, 566729, 600066, 735216, 769896, 800088, 1102824, 1133458, 1200132, 1539792, 1600176, 1700187, 2205648, 2266916, 2400264, 3400374, 4533832, 4800528, 5100561, 6800748, 9067664, 10201122, 13601496, 20402244, 27202992, 40804488, 81608976]

約数ペア:

[(1, 81608976), (2, 40804488), (3, 27202992), (4, 20402244), (6, 13601496), (8, 10201122), (9, 9067664), (12, 6800748), (16, 5100561), (17, 4800528), (18, 4533832), (24, 3400374), (34, 2400264), (36, 2266916), (37, 2205648), (48, 1700187), (51, 1600176), (53, 1539792), (68, 1200132), (72, 1133458), (74, 1102824), (102, 800088), (106, 769896), (111, 735216), (136, 600066), (144, 566729), (148, 551412), (153, 533392), (159, 513264), (204, 400044), (212, 384948), (222, 367608), (272, 300033), (289, 282384), (296, 275706), (306, 266696), (318, 256632), (333, 245072), (408, 200022), (424, 192474), (444, 183804), (477, 171088), (578, 141192), (592, 137853), (612, 133348), (629, 129744), (636, 128316), (666, 122536), (816, 100011), (848, 96237), (867, 94128), (888, 91902), (901, 90576), (954, 85544), (1156, 70596), (1224, 66674), (1258, 64872), (1272, 64158), (1332, 61268), (1734, 47064), (1776, 45951), (1802, 45288), (1887, 43248), (1908, 42772), (1961, 41616), (2312, 35298), (2448, 33337), (2516, 32436), (2544, 32079), (2601, 31376), (2664, 30634), (2703, 30192), (3468, 23532), (3604, 22644), (3774, 21624), (3816, 21386), (3922, 20808), (4624, 17649), (5032, 16218), (5202, 15688), (5328, 15317), (5406, 15096), (5661, 14416), (5883, 13872), (6936, 11766), (7208, 11322), (7548, 10812), (7632, 10693), (7844, 10404), (8109, 10064)]