15707965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 10096835

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 79, 91, 95, 115, 133, 161, 247, 299, 395, 437, 455, 553, 665, 805, 1027, 1235, 1495, 1501, 1729, 1817, 2093, 2185, 2765, 3059, 5135, 5681, 7189, 7505, 8645, 9085, 10465, 10507, 12719, 15295, 19513, 23621, 28405, 34523, 35945, 39767, 52535, 63595, 97565, 118105, 136591, 165347, 172615, 198835, 241661, 448799, 682955, 826735, 1208305, 2243995, 3141593, 15707965]

約数ペア:

[(1, 15707965), (5, 3141593), (7, 2243995), (13, 1208305), (19, 826735), (23, 682955), (35, 448799), (65, 241661), (79, 198835), (91, 172615), (95, 165347), (115, 136591), (133, 118105), (161, 97565), (247, 63595), (299, 52535), (395, 39767), (437, 35945), (455, 34523), (553, 28405), (665, 23621), (805, 19513), (1027, 15295), (1235, 12719), (1495, 10507), (1501, 10465), (1729, 9085), (1817, 8645), (2093, 7505), (2185, 7189), (2765, 5681), (3059, 5135)]