30206320

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{769}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 70464240

約数和(自身を除く): 40257920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 769, 982, 1538, 1964, 2455, 3076, 3845, 3928, 4910, 6152, 7690, 7856, 9820, 12304, 15380, 19640, 30760, 39280, 61520, 377579, 755158, 1510316, 1887895, 3020632, 3775790, 6041264, 7551580, 15103160, 30206320]

約数ペア:

[(1, 30206320), (2, 15103160), (4, 7551580), (5, 6041264), (8, 3775790), (10, 3020632), (16, 1887895), (20, 1510316), (40, 755158), (80, 377579), (491, 61520), (769, 39280), (982, 30760), (1538, 19640), (1964, 15380), (2455, 12304), (3076, 9820), (3845, 7856), (3928, 7690), (4910, 6152)]