81729840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340541}}^1$

素因数の和:340557

約数の個数: 40

約数和(自身を含む): 253363248

約数和(自身を除く): 171633408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340541, 681082, 1021623, 1362164, 1702705, 2043246, 2724328, 3405410, 4086492, 5108115, 5448656, 6810820, 8172984, 10216230, 13621640, 16345968, 20432460, 27243280, 40864920, 81729840]

約数ペア:

[(1, 81729840), (2, 40864920), (3, 27243280), (4, 20432460), (5, 16345968), (6, 13621640), (8, 10216230), (10, 8172984), (12, 6810820), (15, 5448656), (16, 5108115), (20, 4086492), (24, 3405410), (30, 2724328), (40, 2043246), (48, 1702705), (60, 1362164), (80, 1021623), (120, 681082), (240, 340541)]