81273312

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 246486240

約数和(自身を除く): 165212928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 37, 48, 58, 72, 74, 87, 96, 111, 116, 144, 148, 174, 222, 232, 261, 263, 288, 296, 333, 348, 444, 464, 522, 526, 592, 666, 696, 789, 888, 928, 1044, 1052, 1073, 1184, 1332, 1392, 1578, 1776, 2088, 2104, 2146, 2367, 2664, 2784, 3156, 3219, 3552, 4176, 4208, 4292, 4734, 5328, 6312, 6438, 7627, 8352, 8416, 8584, 9468, 9657, 9731, 10656, 12624, 12876, 15254, 17168, 18936, 19314, 19462, 22881, 25248, 25752, 29193, 30508, 34336, 37872, 38628, 38924, 45762, 51504, 58386, 61016, 68643, 75744, 77256, 77848, 87579, 91524, 103008, 116772, 122032, 137286, 154512, 155696, 175158, 183048, 233544, 244064, 274572, 282199, 309024, 311392, 350316, 366096, 467088, 549144, 564398, 700632, 732192, 846597, 934176, 1098288, 1128796, 1401264, 1693194, 2196576, 2257592, 2539791, 2802528, 3386388, 4515184, 5079582, 6772776, 9030368, 10159164, 13545552, 20318328, 27091104, 40636656, 81273312]

約数ペア:

[(1, 81273312), (2, 40636656), (3, 27091104), (4, 20318328), (6, 13545552), (8, 10159164), (9, 9030368), (12, 6772776), (16, 5079582), (18, 4515184), (24, 3386388), (29, 2802528), (32, 2539791), (36, 2257592), (37, 2196576), (48, 1693194), (58, 1401264), (72, 1128796), (74, 1098288), (87, 934176), (96, 846597), (111, 732192), (116, 700632), (144, 564398), (148, 549144), (174, 467088), (222, 366096), (232, 350316), (261, 311392), (263, 309024), (288, 282199), (296, 274572), (333, 244064), (348, 233544), (444, 183048), (464, 175158), (522, 155696), (526, 154512), (592, 137286), (666, 122032), (696, 116772), (789, 103008), (888, 91524), (928, 87579), (1044, 77848), (1052, 77256), (1073, 75744), (1184, 68643), (1332, 61016), (1392, 58386), (1578, 51504), (1776, 45762), (2088, 38924), (2104, 38628), (2146, 37872), (2367, 34336), (2664, 30508), (2784, 29193), (3156, 25752), (3219, 25248), (3552, 22881), (4176, 19462), (4208, 19314), (4292, 18936), (4734, 17168), (5328, 15254), (6312, 12876), (6438, 12624), (7627, 10656), (8352, 9731), (8416, 9657), (8584, 9468)]