80471745

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 152352000

約数和(自身を除く): 71880255

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 137, 171, 229, 285, 411, 513, 685, 687, 855, 1145, 1233, 2055, 2061, 2565, 2603, 3435, 3699, 4351, 6165, 6183, 7809, 10305, 13015, 13053, 18495, 21755, 23427, 30915, 31373, 39045, 39159, 65265, 70281, 94119, 117135, 117477, 156865, 195795, 282357, 351405, 470595, 587385, 596087, 847071, 1411785, 1788261, 2980435, 4235355, 5364783, 8941305, 16094349, 26823915, 80471745]

約数ペア:

[(1, 80471745), (3, 26823915), (5, 16094349), (9, 8941305), (15, 5364783), (19, 4235355), (27, 2980435), (45, 1788261), (57, 1411785), (95, 847071), (135, 596087), (137, 587385), (171, 470595), (229, 351405), (285, 282357), (411, 195795), (513, 156865), (685, 117477), (687, 117135), (855, 94119), (1145, 70281), (1233, 65265), (2055, 39159), (2061, 39045), (2565, 31373), (2603, 30915), (3435, 23427), (3699, 21755), (4351, 18495), (6165, 13053), (6183, 13015), (7809, 10305)]