81312984

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4327}}^1$

素因数の和:4374

約数の個数: 80

約数和(自身を含む): 235659600

約数和(自身を除く): 154346616

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, 4327, 4698, 6264, 8654, 9396, 12981, 17308, 18792, 25962, 34616, 38943, 51924, 77886, 103848, 116829, 125483, 155772, 233658, 250966, 311544, 350487, 376449, 467316, 501932, 700974, 752898, 934632, 1003864, 1129347, 1401948, 1505796, 2258694, 2803896, 3011592, 3388041, 4517388, 6776082, 9034776, 10164123, 13552164, 20328246, 27104328, 40656492, 81312984]

約数ペア:

[(1, 81312984), (2, 40656492), (3, 27104328), (4, 20328246), (6, 13552164), (8, 10164123), (9, 9034776), (12, 6776082), (18, 4517388), (24, 3388041), (27, 3011592), (29, 2803896), (36, 2258694), (54, 1505796), (58, 1401948), (72, 1129347), (81, 1003864), (87, 934632), (108, 752898), (116, 700974), (162, 501932), (174, 467316), (216, 376449), (232, 350487), (261, 311544), (324, 250966), (348, 233658), (522, 155772), (648, 125483), (696, 116829), (783, 103848), (1044, 77886), (1566, 51924), (2088, 38943), (2349, 34616), (3132, 25962), (4327, 18792), (4698, 17308), (6264, 12981), (8654, 9396)]