81561024

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 168

約数和(自身を含む): 248442480

約数和(自身を除く): 166881456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 43, 48, 64, 72, 74, 86, 89, 96, 111, 129, 144, 148, 172, 178, 192, 222, 258, 267, 288, 296, 333, 344, 356, 387, 444, 516, 534, 576, 592, 666, 688, 712, 774, 801, 888, 1032, 1068, 1184, 1332, 1376, 1424, 1548, 1591, 1602, 1776, 2064, 2136, 2368, 2664, 2752, 2848, 3096, 3182, 3204, 3293, 3552, 3827, 4128, 4272, 4773, 5328, 5696, 6192, 6364, 6408, 6586, 7104, 7654, 8256, 8544, 9546, 9879, 10656, 11481, 12384, 12728, 12816, 13172, 14319, 15308, 17088, 19092, 19758, 21312, 22962, 24768, 25456, 25632, 26344, 28638, 29637, 30616, 34443, 38184, 39516, 45924, 50912, 51264, 52688, 57276, 59274, 61232, 68886, 76368, 79032, 91848, 101824, 105376, 114552, 118548, 122464, 137772, 141599, 152736, 158064, 183696, 210752, 229104, 237096, 244928, 275544, 283198, 305472, 316128, 367392, 424797, 458208, 474192, 551088, 566396, 632256, 734784, 849594, 916416, 948384, 1102176, 1132792, 1274391, 1699188, 1896768, 2204352, 2265584, 2548782, 3398376, 4531168, 5097564, 6796752, 9062336, 10195128, 13593504, 20390256, 27187008, 40780512, 81561024]

約数ペア:

[(1, 81561024), (2, 40780512), (3, 27187008), (4, 20390256), (6, 13593504), (8, 10195128), (9, 9062336), (12, 6796752), (16, 5097564), (18, 4531168), (24, 3398376), (32, 2548782), (36, 2265584), (37, 2204352), (43, 1896768), (48, 1699188), (64, 1274391), (72, 1132792), (74, 1102176), (86, 948384), (89, 916416), (96, 849594), (111, 734784), (129, 632256), (144, 566396), (148, 551088), (172, 474192), (178, 458208), (192, 424797), (222, 367392), (258, 316128), (267, 305472), (288, 283198), (296, 275544), (333, 244928), (344, 237096), (356, 229104), (387, 210752), (444, 183696), (516, 158064), (534, 152736), (576, 141599), (592, 137772), (666, 122464), (688, 118548), (712, 114552), (774, 105376), (801, 101824), (888, 91848), (1032, 79032), (1068, 76368), (1184, 68886), (1332, 61232), (1376, 59274), (1424, 57276), (1548, 52688), (1591, 51264), (1602, 50912), (1776, 45924), (2064, 39516), (2136, 38184), (2368, 34443), (2664, 30616), (2752, 29637), (2848, 28638), (3096, 26344), (3182, 25632), (3204, 25456), (3293, 24768), (3552, 22962), (3827, 21312), (4128, 19758), (4272, 19092), (4773, 17088), (5328, 15308), (5696, 14319), (6192, 13172), (6364, 12816), (6408, 12728), (6586, 12384), (7104, 11481), (7654, 10656), (8256, 9879), (8544, 9546)]