78764220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{937}}^1$

素因数の和:1419

約数の個数: 72

約数和(自身を含む): 239685264

約数和(自身を除く): 160921044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 467, 934, 937, 1401, 1868, 1874, 2335, 2802, 2811, 3748, 4203, 4670, 4685, 5604, 5622, 7005, 8406, 8433, 9340, 9370, 11244, 14010, 14055, 16812, 16866, 18740, 21015, 28020, 28110, 33732, 42030, 42165, 56220, 84060, 84330, 168660, 437579, 875158, 1312737, 1750316, 2187895, 2625474, 3938211, 4375790, 5250948, 6563685, 7876422, 8751580, 13127370, 15752844, 19691055, 26254740, 39382110, 78764220]

約数ペア:

[(1, 78764220), (2, 39382110), (3, 26254740), (4, 19691055), (5, 15752844), (6, 13127370), (9, 8751580), (10, 7876422), (12, 6563685), (15, 5250948), (18, 4375790), (20, 3938211), (30, 2625474), (36, 2187895), (45, 1750316), (60, 1312737), (90, 875158), (180, 437579), (467, 168660), (934, 84330), (937, 84060), (1401, 56220), (1868, 42165), (1874, 42030), (2335, 33732), (2802, 28110), (2811, 28020), (3748, 21015), (4203, 18740), (4670, 16866), (4685, 16812), (5604, 14055), (5622, 14010), (7005, 11244), (8406, 9370), (8433, 9340)]