15763220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 36445248

約数和(自身を除く): 20682028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 523, 548, 685, 1046, 1370, 1507, 2092, 2615, 2740, 3014, 5230, 5753, 6028, 7535, 10460, 11506, 15070, 23012, 28765, 30140, 57530, 71651, 115060, 143302, 286604, 358255, 716510, 788161, 1433020, 1576322, 3152644, 3940805, 7881610, 15763220]

約数ペア:

[(1, 15763220), (2, 7881610), (4, 3940805), (5, 3152644), (10, 1576322), (11, 1433020), (20, 788161), (22, 716510), (44, 358255), (55, 286604), (110, 143302), (137, 115060), (220, 71651), (274, 57530), (523, 30140), (548, 28765), (685, 23012), (1046, 15070), (1370, 11506), (1507, 10460), (2092, 7535), (2615, 6028), (2740, 5753), (3014, 5230)]