289906740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11587}}^1$

素因数の和:11741

約数の個数: 72

約数和(自身を含む): 885786720

約数和(自身を除く): 595879980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 11587, 12510, 23174, 25020, 34761, 46348, 57935, 69522, 104283, 115870, 139044, 173805, 208566, 231740, 347610, 417132, 521415, 695220, 1042830, 1610593, 2085660, 3221186, 4831779, 6442372, 8052965, 9663558, 14495337, 16105930, 19327116, 24158895, 28990674, 32211860, 48317790, 57981348, 72476685, 96635580, 144953370, 289906740]

約数ペア:

[(1, 289906740), (2, 144953370), (3, 96635580), (4, 72476685), (5, 57981348), (6, 48317790), (9, 32211860), (10, 28990674), (12, 24158895), (15, 19327116), (18, 16105930), (20, 14495337), (30, 9663558), (36, 8052965), (45, 6442372), (60, 4831779), (90, 3221186), (139, 2085660), (180, 1610593), (278, 1042830), (417, 695220), (556, 521415), (695, 417132), (834, 347610), (1251, 231740), (1390, 208566), (1668, 173805), (2085, 139044), (2502, 115870), (2780, 104283), (4170, 69522), (5004, 57935), (6255, 46348), (8340, 34761), (11587, 25020), (12510, 23174)]