81717984

素因数分解:

$2^5\times 3^6\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 168

約数和(自身を含む): 251197632

約数和(自身を除く): 169479648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 113, 124, 144, 162, 186, 216, 226, 243, 248, 279, 288, 324, 339, 372, 432, 452, 486, 496, 558, 648, 678, 729, 744, 837, 864, 904, 972, 992, 1017, 1116, 1296, 1356, 1458, 1488, 1674, 1808, 1944, 2034, 2232, 2511, 2592, 2712, 2916, 2976, 3051, 3348, 3503, 3616, 3888, 4068, 4464, 5022, 5424, 5832, 6102, 6696, 7006, 7533, 7776, 8136, 8928, 9153, 10044, 10509, 10848, 11664, 12204, 13392, 14012, 15066, 16272, 18306, 20088, 21018, 22599, 23328, 24408, 26784, 27459, 28024, 30132, 31527, 32544, 36612, 40176, 42036, 45198, 48816, 54918, 56048, 60264, 63054, 73224, 80352, 82377, 84072, 90396, 94581, 97632, 109836, 112096, 120528, 126108, 146448, 164754, 168144, 180792, 189162, 219672, 241056, 252216, 283743, 292896, 329508, 336288, 361584, 378324, 439344, 504432, 567486, 659016, 723168, 756648, 851229, 878688, 1008864, 1134972, 1318032, 1513296, 1702458, 2269944, 2553687, 2636064, 3026592, 3404916, 4539888, 5107374, 6809832, 9079776, 10214748, 13619664, 20429496, 27239328, 40858992, 81717984]

約数ペア:

[(1, 81717984), (2, 40858992), (3, 27239328), (4, 20429496), (6, 13619664), (8, 10214748), (9, 9079776), (12, 6809832), (16, 5107374), (18, 4539888), (24, 3404916), (27, 3026592), (31, 2636064), (32, 2553687), (36, 2269944), (48, 1702458), (54, 1513296), (62, 1318032), (72, 1134972), (81, 1008864), (93, 878688), (96, 851229), (108, 756648), (113, 723168), (124, 659016), (144, 567486), (162, 504432), (186, 439344), (216, 378324), (226, 361584), (243, 336288), (248, 329508), (279, 292896), (288, 283743), (324, 252216), (339, 241056), (372, 219672), (432, 189162), (452, 180792), (486, 168144), (496, 164754), (558, 146448), (648, 126108), (678, 120528), (729, 112096), (744, 109836), (837, 97632), (864, 94581), (904, 90396), (972, 84072), (992, 82377), (1017, 80352), (1116, 73224), (1296, 63054), (1356, 60264), (1458, 56048), (1488, 54918), (1674, 48816), (1808, 45198), (1944, 42036), (2034, 40176), (2232, 36612), (2511, 32544), (2592, 31527), (2712, 30132), (2916, 28024), (2976, 27459), (3051, 26784), (3348, 24408), (3503, 23328), (3616, 22599), (3888, 21018), (4068, 20088), (4464, 18306), (5022, 16272), (5424, 15066), (5832, 14012), (6102, 13392), (6696, 12204), (7006, 11664), (7533, 10848), (7776, 10509), (8136, 10044), (8928, 9153)]