81989496

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4410

約数の個数: 80

約数和(自身を含む): 237619800

約数和(自身を除く): 155630304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 162, 174, 216, 232, 261, 324, 348, 522, 648, 696, 783, 1044, 1566, 2088, 2349, 3132, 4363, 4698, 6264, 8726, 9396, 13089, 17452, 18792, 26178, 34904, 39267, 52356, 78534, 104712, 117801, 126527, 157068, 235602, 253054, 314136, 353403, 379581, 471204, 506108, 706806, 759162, 942408, 1012216, 1138743, 1413612, 1518324, 2277486, 2827224, 3036648, 3416229, 4554972, 6832458, 9109944, 10248687, 13664916, 20497374, 27329832, 40994748, 81989496]

約数ペア:

[(1, 81989496), (2, 40994748), (3, 27329832), (4, 20497374), (6, 13664916), (8, 10248687), (9, 9109944), (12, 6832458), (18, 4554972), (24, 3416229), (27, 3036648), (29, 2827224), (36, 2277486), (54, 1518324), (58, 1413612), (72, 1138743), (81, 1012216), (87, 942408), (108, 759162), (116, 706806), (162, 506108), (174, 471204), (216, 379581), (232, 353403), (261, 314136), (324, 253054), (348, 235602), (522, 157068), (648, 126527), (696, 117801), (783, 104712), (1044, 78534), (1566, 52356), (2088, 39267), (2349, 34904), (3132, 26178), (4363, 18792), (4698, 17452), (6264, 13089), (8726, 9396)]