81509328

素因数分解:

$2^4\times 3^4\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:706

約数の個数: 100

約数和(自身を含む): 238488580

約数和(自身を除く): 156979252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 109, 144, 162, 216, 218, 324, 327, 432, 436, 577, 648, 654, 872, 981, 1154, 1296, 1308, 1731, 1744, 1962, 2308, 2616, 2943, 3462, 3924, 4616, 5193, 5232, 5886, 6924, 7848, 8829, 9232, 10386, 11772, 13848, 15579, 15696, 17658, 20772, 23544, 27696, 31158, 35316, 41544, 46737, 47088, 62316, 62893, 70632, 83088, 93474, 124632, 125786, 141264, 186948, 188679, 249264, 251572, 373896, 377358, 503144, 566037, 747792, 754716, 1006288, 1132074, 1509432, 1698111, 2264148, 3018864, 3396222, 4528296, 5094333, 6792444, 9056592, 10188666, 13584888, 20377332, 27169776, 40754664, 81509328]

約数ペア:

[(1, 81509328), (2, 40754664), (3, 27169776), (4, 20377332), (6, 13584888), (8, 10188666), (9, 9056592), (12, 6792444), (16, 5094333), (18, 4528296), (24, 3396222), (27, 3018864), (36, 2264148), (48, 1698111), (54, 1509432), (72, 1132074), (81, 1006288), (108, 754716), (109, 747792), (144, 566037), (162, 503144), (216, 377358), (218, 373896), (324, 251572), (327, 249264), (432, 188679), (436, 186948), (577, 141264), (648, 125786), (654, 124632), (872, 93474), (981, 83088), (1154, 70632), (1296, 62893), (1308, 62316), (1731, 47088), (1744, 46737), (1962, 41544), (2308, 35316), (2616, 31158), (2943, 27696), (3462, 23544), (3924, 20772), (4616, 17658), (5193, 15696), (5232, 15579), (5886, 13848), (6924, 11772), (7848, 10386), (8829, 9232)]