208783980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{128879}}^1$

素因数の和:128900

約数の個数: 60

約数和(自身を含む): 654968160

約数和(自身を除く): 446184180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 128879, 257758, 386637, 515516, 644395, 773274, 1159911, 1288790, 1546548, 1933185, 2319822, 2577580, 3479733, 3866370, 4639644, 5799555, 6959466, 7732740, 10439199, 11599110, 13918932, 17398665, 20878398, 23198220, 34797330, 41756796, 52195995, 69594660, 104391990, 208783980]

約数ペア:

[(1, 208783980), (2, 104391990), (3, 69594660), (4, 52195995), (5, 41756796), (6, 34797330), (9, 23198220), (10, 20878398), (12, 17398665), (15, 13918932), (18, 11599110), (20, 10439199), (27, 7732740), (30, 6959466), (36, 5799555), (45, 4639644), (54, 3866370), (60, 3479733), (81, 2577580), (90, 2319822), (108, 1933185), (135, 1546548), (162, 1288790), (180, 1159911), (270, 773274), (324, 644395), (405, 515516), (540, 386637), (810, 257758), (1620, 128879)]