81235872

素因数分解:

$2^5\times 3^5\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 248032512

約数和(自身を除く): 166796640

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, 124, 144, 162, 186, 216, 243, 248, 279, 288, 324, 337, 372, 432, 486, 496, 558, 648, 674, 744, 837, 864, 972, 992, 1011, 1116, 1296, 1348, 1488, 1674, 1944, 2022, 2232, 2511, 2592, 2696, 2976, 3033, 3348, 3888, 4044, 4464, 5022, 5392, 6066, 6696, 7533, 7776, 8088, 8928, 9099, 10044, 10447, 10784, 12132, 13392, 15066, 16176, 18198, 20088, 20894, 24264, 26784, 27297, 30132, 31341, 32352, 36396, 40176, 41788, 48528, 54594, 60264, 62682, 72792, 80352, 81891, 83576, 94023, 97056, 109188, 120528, 125364, 145584, 163782, 167152, 188046, 218376, 241056, 250728, 282069, 291168, 327564, 334304, 376092, 436752, 501456, 564138, 655128, 752184, 846207, 873504, 1002912, 1128276, 1310256, 1504368, 1692414, 2256552, 2538621, 2620512, 3008736, 3384828, 4513104, 5077242, 6769656, 9026208, 10154484, 13539312, 20308968, 27078624, 40617936, 81235872]

約数ペア:

[(1, 81235872), (2, 40617936), (3, 27078624), (4, 20308968), (6, 13539312), (8, 10154484), (9, 9026208), (12, 6769656), (16, 5077242), (18, 4513104), (24, 3384828), (27, 3008736), (31, 2620512), (32, 2538621), (36, 2256552), (48, 1692414), (54, 1504368), (62, 1310256), (72, 1128276), (81, 1002912), (93, 873504), (96, 846207), (108, 752184), (124, 655128), (144, 564138), (162, 501456), (186, 436752), (216, 376092), (243, 334304), (248, 327564), (279, 291168), (288, 282069), (324, 250728), (337, 241056), (372, 218376), (432, 188046), (486, 167152), (496, 163782), (558, 145584), (648, 125364), (674, 120528), (744, 109188), (837, 97056), (864, 94023), (972, 83576), (992, 81891), (1011, 80352), (1116, 72792), (1296, 62682), (1348, 60264), (1488, 54594), (1674, 48528), (1944, 41788), (2022, 40176), (2232, 36396), (2511, 32352), (2592, 31341), (2696, 30132), (2976, 27297), (3033, 26784), (3348, 24264), (3888, 20894), (4044, 20088), (4464, 18198), (5022, 16176), (5392, 15066), (6066, 13392), (6696, 12132), (7533, 10784), (7776, 10447), (8088, 10044), (8928, 9099)]