15984605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 25441920

約数和(自身を除く): 9457315

約数列:

[1, 5, 7, 13, 19, 35, 43, 65, 91, 95, 133, 215, 247, 301, 455, 559, 665, 817, 1235, 1505, 1729, 1849, 2795, 3913, 4085, 5719, 8645, 9245, 10621, 12943, 19565, 24037, 28595, 35131, 53105, 64715, 74347, 120185, 168259, 175655, 245917, 371735, 456703, 841295, 1229585, 2283515, 3196921, 15984605]

約数ペア:

[(1, 15984605), (5, 3196921), (7, 2283515), (13, 1229585), (19, 841295), (35, 456703), (43, 371735), (65, 245917), (91, 175655), (95, 168259), (133, 120185), (215, 74347), (247, 64715), (301, 53105), (455, 35131), (559, 28595), (665, 24037), (817, 19565), (1235, 12943), (1505, 10621), (1729, 9245), (1849, 8645), (2795, 5719), (3913, 4085)]