221521320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{615337}}^1$

素因数の和:615354

約数の個数: 48

約数和(自身を含む): 719945460

約数和(自身を除く): 498424140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 615337, 1230674, 1846011, 2461348, 3076685, 3692022, 4922696, 5538033, 6153370, 7384044, 9230055, 11076066, 12306740, 14768088, 18460110, 22152132, 24613480, 27690165, 36920220, 44304264, 55380330, 73840440, 110760660, 221521320]

約数ペア:

[(1, 221521320), (2, 110760660), (3, 73840440), (4, 55380330), (5, 44304264), (6, 36920220), (8, 27690165), (9, 24613480), (10, 22152132), (12, 18460110), (15, 14768088), (18, 12306740), (20, 11076066), (24, 9230055), (30, 7384044), (36, 6153370), (40, 5538033), (45, 4922696), (60, 3692022), (72, 3076685), (90, 2461348), (120, 1846011), (180, 1230674), (360, 615337)]