320488550015

素因数分解:

$5^1\times {\mathrm{307}}^1\times {\mathrm{2789}}^1\times {\mathrm{74861}}^1$

素因数の和:77962

約数の個数: 16

約数和(自身を含む): 385982483040

約数和(自身を除く): 65493933025

約数列:

[1, 5, 307, 1535, 2789, 13945, 74861, 374305, 856223, 4281115, 22982327, 114911635, 208787329, 1043936645, 64097710003, 320488550015]

約数ペア:

[(1, 320488550015), (5, 64097710003), (307, 1043936645), (1535, 208787329), (2789, 114911635), (13945, 22982327), (74861, 4281115), (374305, 856223)]