19540320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40709}}^1$

素因数の和:40727

約数の個数: 48

約数和(自身を含む): 61553520

約数和(自身を除く): 42013200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40709, 81418, 122127, 162836, 203545, 244254, 325672, 407090, 488508, 610635, 651344, 814180, 977016, 1221270, 1302688, 1628360, 1954032, 2442540, 3256720, 3908064, 4885080, 6513440, 9770160, 19540320]

約数ペア:

[(1, 19540320), (2, 9770160), (3, 6513440), (4, 4885080), (5, 3908064), (6, 3256720), (8, 2442540), (10, 1954032), (12, 1628360), (15, 1302688), (16, 1221270), (20, 977016), (24, 814180), (30, 651344), (32, 610635), (40, 488508), (48, 407090), (60, 325672), (80, 244254), (96, 203545), (120, 162836), (160, 122127), (240, 81418), (480, 40709)]