77716260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{15991}}^1$

素因数の和:16015

約数の個数: 72

約数和(自身を含む): 244485696

約数和(自身を除く): 166769436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 15991, 31982, 47973, 63964, 79955, 95946, 143919, 159910, 191892, 239865, 287838, 319820, 431757, 479730, 575676, 719595, 863514, 959460, 1295271, 1439190, 1727028, 2158785, 2590542, 2878380, 3885813, 4317570, 5181084, 6476355, 7771626, 8635140, 12952710, 15543252, 19429065, 25905420, 38858130, 77716260]

約数ペア:

[(1, 77716260), (2, 38858130), (3, 25905420), (4, 19429065), (5, 15543252), (6, 12952710), (9, 8635140), (10, 7771626), (12, 6476355), (15, 5181084), (18, 4317570), (20, 3885813), (27, 2878380), (30, 2590542), (36, 2158785), (45, 1727028), (54, 1439190), (60, 1295271), (81, 959460), (90, 863514), (108, 719595), (135, 575676), (162, 479730), (180, 431757), (243, 319820), (270, 287838), (324, 239865), (405, 191892), (486, 159910), (540, 143919), (810, 95946), (972, 79955), (1215, 63964), (1620, 47973), (2430, 31982), (4860, 15991)]