78112980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39451}}^1$

素因数の和:39477

約数の個数: 72

約数和(自身を含む): 258489504

約数和(自身を除く): 180376524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39451, 78902, 118353, 157804, 197255, 236706, 355059, 394510, 433961, 473412, 591765, 710118, 789020, 867922, 1183530, 1301883, 1420236, 1735844, 1775295, 2169805, 2367060, 2603766, 3550590, 3905649, 4339610, 5207532, 6509415, 7101180, 7811298, 8679220, 13018830, 15622596, 19528245, 26037660, 39056490, 78112980]

約数ペア:

[(1, 78112980), (2, 39056490), (3, 26037660), (4, 19528245), (5, 15622596), (6, 13018830), (9, 8679220), (10, 7811298), (11, 7101180), (12, 6509415), (15, 5207532), (18, 4339610), (20, 3905649), (22, 3550590), (30, 2603766), (33, 2367060), (36, 2169805), (44, 1775295), (45, 1735844), (55, 1420236), (60, 1301883), (66, 1183530), (90, 867922), (99, 789020), (110, 710118), (132, 591765), (165, 473412), (180, 433961), (198, 394510), (220, 355059), (330, 236706), (396, 197255), (495, 157804), (660, 118353), (990, 78902), (1980, 39451)]