80491965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 141557760

約数和(自身を除く): 61065795

約数列:

[1, 3, 5, 15, 29, 31, 47, 87, 93, 127, 141, 145, 155, 235, 381, 435, 465, 635, 705, 899, 1363, 1457, 1905, 2697, 3683, 3937, 4089, 4371, 4495, 5969, 6815, 7285, 11049, 11811, 13485, 17907, 18415, 19685, 20445, 21855, 29845, 42253, 55245, 59055, 89535, 114173, 126759, 173101, 185039, 211265, 342519, 519303, 555117, 570865, 633795, 865505, 925195, 1712595, 2596515, 2775585, 5366131, 16098393, 26830655, 80491965]

約数ペア:

[(1, 80491965), (3, 26830655), (5, 16098393), (15, 5366131), (29, 2775585), (31, 2596515), (47, 1712595), (87, 925195), (93, 865505), (127, 633795), (141, 570865), (145, 555117), (155, 519303), (235, 342519), (381, 211265), (435, 185039), (465, 173101), (635, 126759), (705, 114173), (899, 89535), (1363, 59055), (1457, 55245), (1905, 42253), (2697, 29845), (3683, 21855), (3937, 20445), (4089, 19685), (4371, 18415), (4495, 17907), (5969, 13485), (6815, 11811), (7285, 11049)]