1555590980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1\times {\mathrm{1289}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 3313215360

約数和(自身を除く): 1757624380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 727, 830, 1289, 1454, 1660, 2578, 2908, 3635, 5156, 6445, 7270, 12890, 14540, 25780, 60341, 106987, 120682, 213974, 241364, 301705, 427948, 534935, 603410, 937103, 1069870, 1206820, 1874206, 2139740, 3748412, 4685515, 9371030, 18742060, 77779549, 155559098, 311118196, 388897745, 777795490, 1555590980]

約数ペア:

[(1, 1555590980), (2, 777795490), (4, 388897745), (5, 311118196), (10, 155559098), (20, 77779549), (83, 18742060), (166, 9371030), (332, 4685515), (415, 3748412), (727, 2139740), (830, 1874206), (1289, 1206820), (1454, 1069870), (1660, 937103), (2578, 603410), (2908, 534935), (3635, 427948), (5156, 301705), (6445, 241364), (7270, 213974), (12890, 120682), (14540, 106987), (25780, 60341)]