81551016

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 240192000

約数和(自身を除く): 158640984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 47, 54, 58, 72, 87, 94, 108, 116, 141, 174, 188, 216, 232, 261, 277, 282, 348, 376, 423, 522, 554, 564, 696, 783, 831, 846, 1044, 1108, 1128, 1269, 1363, 1566, 1662, 1692, 2088, 2216, 2493, 2538, 2726, 3132, 3324, 3384, 4089, 4986, 5076, 5452, 6264, 6648, 7479, 8033, 8178, 9972, 10152, 10904, 12267, 13019, 14958, 16066, 16356, 19944, 24099, 24534, 26038, 29916, 32132, 32712, 36801, 39057, 48198, 49068, 52076, 59832, 64264, 72297, 73602, 78114, 96396, 98136, 104152, 117171, 144594, 147204, 156228, 192792, 216891, 234342, 289188, 294408, 312456, 351513, 377551, 433782, 468684, 578376, 703026, 755102, 867564, 937368, 1132653, 1406052, 1510204, 1735128, 2265306, 2812104, 3020408, 3397959, 4530612, 6795918, 9061224, 10193877, 13591836, 20387754, 27183672, 40775508, 81551016]

約数ペア:

[(1, 81551016), (2, 40775508), (3, 27183672), (4, 20387754), (6, 13591836), (8, 10193877), (9, 9061224), (12, 6795918), (18, 4530612), (24, 3397959), (27, 3020408), (29, 2812104), (36, 2265306), (47, 1735128), (54, 1510204), (58, 1406052), (72, 1132653), (87, 937368), (94, 867564), (108, 755102), (116, 703026), (141, 578376), (174, 468684), (188, 433782), (216, 377551), (232, 351513), (261, 312456), (277, 294408), (282, 289188), (348, 234342), (376, 216891), (423, 192792), (522, 156228), (554, 147204), (564, 144594), (696, 117171), (783, 104152), (831, 98136), (846, 96396), (1044, 78114), (1108, 73602), (1128, 72297), (1269, 64264), (1363, 59832), (1566, 52076), (1662, 49068), (1692, 48198), (2088, 39057), (2216, 36801), (2493, 32712), (2538, 32132), (2726, 29916), (3132, 26038), (3324, 24534), (3384, 24099), (4089, 19944), (4986, 16356), (5076, 16066), (5452, 14958), (6264, 13019), (6648, 12267), (7479, 10904), (8033, 10152), (8178, 9972)]