78885180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39841}}^1$

素因数の和:39867

約数の個数: 72

約数和(自身を含む): 261044784

約数和(自身を除く): 182159604

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, 39841, 79682, 119523, 159364, 199205, 239046, 358569, 398410, 438251, 478092, 597615, 717138, 796820, 876502, 1195230, 1314753, 1434276, 1753004, 1792845, 2191255, 2390460, 2629506, 3585690, 3944259, 4382510, 5259012, 6573765, 7171380, 7888518, 8765020, 13147530, 15777036, 19721295, 26295060, 39442590, 78885180]

約数ペア:

[(1, 78885180), (2, 39442590), (3, 26295060), (4, 19721295), (5, 15777036), (6, 13147530), (9, 8765020), (10, 7888518), (11, 7171380), (12, 6573765), (15, 5259012), (18, 4382510), (20, 3944259), (22, 3585690), (30, 2629506), (33, 2390460), (36, 2191255), (44, 1792845), (45, 1753004), (55, 1434276), (60, 1314753), (66, 1195230), (90, 876502), (99, 796820), (110, 717138), (132, 597615), (165, 478092), (180, 438251), (198, 398410), (220, 358569), (330, 239046), (396, 199205), (495, 159364), (660, 119523), (990, 79682), (1980, 39841)]