81987312

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5009}}^1$

素因数の和:5062

約数の個数: 80

約数和(自身を含む): 238556160

約数和(自身を除く): 156568848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5009, 5456, 8184, 10018, 15027, 16368, 20036, 30054, 40072, 55099, 60108, 80144, 110198, 120216, 155279, 165297, 220396, 240432, 310558, 330594, 440792, 465837, 621116, 661188, 881584, 931674, 1242232, 1322376, 1708069, 1863348, 2484464, 2644752, 3416138, 3726696, 5124207, 6832276, 7453392, 10248414, 13664552, 20496828, 27329104, 40993656, 81987312]

約数ペア:

[(1, 81987312), (2, 40993656), (3, 27329104), (4, 20496828), (6, 13664552), (8, 10248414), (11, 7453392), (12, 6832276), (16, 5124207), (22, 3726696), (24, 3416138), (31, 2644752), (33, 2484464), (44, 1863348), (48, 1708069), (62, 1322376), (66, 1242232), (88, 931674), (93, 881584), (124, 661188), (132, 621116), (176, 465837), (186, 440792), (248, 330594), (264, 310558), (341, 240432), (372, 220396), (496, 165297), (528, 155279), (682, 120216), (744, 110198), (1023, 80144), (1364, 60108), (1488, 55099), (2046, 40072), (2728, 30054), (4092, 20036), (5009, 16368), (5456, 15027), (8184, 10018)]