31280520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260671}}^1$

素因数の和:260685

約数の個数: 32

約数和(自身を含む): 93841920

約数和(自身を除く): 62561400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260671, 521342, 782013, 1042684, 1303355, 1564026, 2085368, 2606710, 3128052, 3910065, 5213420, 6256104, 7820130, 10426840, 15640260, 31280520]

約数ペア:

[(1, 31280520), (2, 15640260), (3, 10426840), (4, 7820130), (5, 6256104), (6, 5213420), (8, 3910065), (10, 3128052), (12, 2606710), (15, 2085368), (20, 1564026), (24, 1303355), (30, 1042684), (40, 782013), (60, 521342), (120, 260671)]