80764145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 127844352

約数和(自身を除く): 47080207

約数列:

[1, 5, 7, 11, 31, 35, 55, 67, 77, 101, 155, 217, 335, 341, 385, 469, 505, 707, 737, 1085, 1111, 1705, 2077, 2345, 2387, 3131, 3535, 3685, 5159, 5555, 6767, 7777, 10385, 11935, 14539, 15655, 21917, 22847, 25795, 33835, 34441, 38885, 47369, 72695, 74437, 109585, 114235, 159929, 172205, 209777, 236845, 241087, 372185, 521059, 799645, 1048885, 1205435, 1468439, 2307547, 2605295, 7342195, 11537735, 16152829, 80764145]

約数ペア:

[(1, 80764145), (5, 16152829), (7, 11537735), (11, 7342195), (31, 2605295), (35, 2307547), (55, 1468439), (67, 1205435), (77, 1048885), (101, 799645), (155, 521059), (217, 372185), (335, 241087), (341, 236845), (385, 209777), (469, 172205), (505, 159929), (707, 114235), (737, 109585), (1085, 74437), (1111, 72695), (1705, 47369), (2077, 38885), (2345, 34441), (2387, 33835), (3131, 25795), (3535, 22847), (3685, 21917), (5159, 15655), (5555, 14539), (6767, 11935), (7777, 10385)]