86871060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 264316416

約数和(自身を除く): 177445356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 991, 1461, 1948, 1982, 2435, 2922, 2973, 3964, 4383, 4870, 4955, 5844, 5946, 7305, 8766, 8919, 9740, 9910, 11892, 14610, 14865, 17532, 17838, 19820, 21915, 29220, 29730, 35676, 43830, 44595, 59460, 87660, 89190, 178380, 482617, 965234, 1447851, 1930468, 2413085, 2895702, 4343553, 4826170, 5791404, 7239255, 8687106, 9652340, 14478510, 17374212, 21717765, 28957020, 43435530, 86871060]

約数ペア:

[(1, 86871060), (2, 43435530), (3, 28957020), (4, 21717765), (5, 17374212), (6, 14478510), (9, 9652340), (10, 8687106), (12, 7239255), (15, 5791404), (18, 4826170), (20, 4343553), (30, 2895702), (36, 2413085), (45, 1930468), (60, 1447851), (90, 965234), (180, 482617), (487, 178380), (974, 89190), (991, 87660), (1461, 59460), (1948, 44595), (1982, 43830), (2435, 35676), (2922, 29730), (2973, 29220), (3964, 21915), (4383, 19820), (4870, 17838), (4955, 17532), (5844, 14865), (5946, 14610), (7305, 11892), (8766, 9910), (8919, 9740)]