1268157780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5407}}^1$

素因数の和:6725

約数の個数: 72

約数和(自身を含む): 3850409472

約数和(自身を除く): 2582251692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1303, 2606, 3909, 5212, 5407, 6515, 7818, 10814, 11727, 13030, 15636, 16221, 19545, 21628, 23454, 26060, 27035, 32442, 39090, 46908, 48663, 54070, 58635, 64884, 78180, 81105, 97326, 108140, 117270, 162210, 194652, 234540, 243315, 324420, 486630, 973260, 7045321, 14090642, 21135963, 28181284, 35226605, 42271926, 63407889, 70453210, 84543852, 105679815, 126815778, 140906420, 211359630, 253631556, 317039445, 422719260, 634078890, 1268157780]

約数ペア:

[(1, 1268157780), (2, 634078890), (3, 422719260), (4, 317039445), (5, 253631556), (6, 211359630), (9, 140906420), (10, 126815778), (12, 105679815), (15, 84543852), (18, 70453210), (20, 63407889), (30, 42271926), (36, 35226605), (45, 28181284), (60, 21135963), (90, 14090642), (180, 7045321), (1303, 973260), (2606, 486630), (3909, 324420), (5212, 243315), (5407, 234540), (6515, 194652), (7818, 162210), (10814, 117270), (11727, 108140), (13030, 97326), (15636, 81105), (16221, 78180), (19545, 64884), (21628, 58635), (23454, 54070), (26060, 48663), (27035, 46908), (32442, 39090)]