65920440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{857}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 198300960

約数和(自身を除く): 132380520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 857, 1282, 1714, 1923, 2564, 2571, 3205, 3428, 3846, 4285, 5128, 5142, 6410, 6856, 7692, 8570, 9615, 10284, 12820, 12855, 15384, 17140, 19230, 20568, 25640, 25710, 34280, 38460, 51420, 76920, 102840, 549337, 1098674, 1648011, 2197348, 2746685, 3296022, 4394696, 5493370, 6592044, 8240055, 10986740, 13184088, 16480110, 21973480, 32960220, 65920440]

約数ペア:

[(1, 65920440), (2, 32960220), (3, 21973480), (4, 16480110), (5, 13184088), (6, 10986740), (8, 8240055), (10, 6592044), (12, 5493370), (15, 4394696), (20, 3296022), (24, 2746685), (30, 2197348), (40, 1648011), (60, 1098674), (120, 549337), (641, 102840), (857, 76920), (1282, 51420), (1714, 38460), (1923, 34280), (2564, 25710), (2571, 25640), (3205, 20568), (3428, 19230), (3846, 17140), (4285, 15384), (5128, 12855), (5142, 12820), (6410, 10284), (6856, 9615), (7692, 8570)]