81223320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{676861}}^1$

素因数の和:676875

約数の個数: 32

約数和(自身を含む): 243670320

約数和(自身を除く): 162447000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 676861, 1353722, 2030583, 2707444, 3384305, 4061166, 5414888, 6768610, 8122332, 10152915, 13537220, 16244664, 20305830, 27074440, 40611660, 81223320]

約数ペア:

[(1, 81223320), (2, 40611660), (3, 27074440), (4, 20305830), (5, 16244664), (6, 13537220), (8, 10152915), (10, 8122332), (12, 6768610), (15, 5414888), (20, 4061166), (24, 3384305), (30, 2707444), (40, 2030583), (60, 1353722), (120, 676861)]