81839376

素因数分解:

$2^4\times 3^3\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:893

約数の個数: 80

約数和(自身を含む): 235996800

約数和(自身を除く): 154157424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 389, 432, 487, 778, 974, 1167, 1461, 1556, 1948, 2334, 2922, 3112, 3501, 3896, 4383, 4668, 5844, 6224, 7002, 7792, 8766, 9336, 10503, 11688, 13149, 14004, 17532, 18672, 21006, 23376, 26298, 28008, 35064, 42012, 52596, 56016, 70128, 84024, 105192, 168048, 189443, 210384, 378886, 568329, 757772, 1136658, 1515544, 1704987, 2273316, 3031088, 3409974, 4546632, 5114961, 6819948, 9093264, 10229922, 13639896, 20459844, 27279792, 40919688, 81839376]

約数ペア:

[(1, 81839376), (2, 40919688), (3, 27279792), (4, 20459844), (6, 13639896), (8, 10229922), (9, 9093264), (12, 6819948), (16, 5114961), (18, 4546632), (24, 3409974), (27, 3031088), (36, 2273316), (48, 1704987), (54, 1515544), (72, 1136658), (108, 757772), (144, 568329), (216, 378886), (389, 210384), (432, 189443), (487, 168048), (778, 105192), (974, 84024), (1167, 70128), (1461, 56016), (1556, 52596), (1948, 42012), (2334, 35064), (2922, 28008), (3112, 26298), (3501, 23376), (3896, 21006), (4383, 18672), (4668, 17532), (5844, 14004), (6224, 13149), (7002, 11688), (7792, 10503), (8766, 9336)]