81572340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2671}}^1$

素因数の和:3192

約数の個数: 48

約数和(自身を含む): 228936960

約数和(自身を除く): 147364620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 1018, 1527, 2036, 2545, 2671, 3054, 5090, 5342, 6108, 7635, 8013, 10180, 10684, 13355, 15270, 16026, 26710, 30540, 32052, 40065, 53420, 80130, 160260, 1359539, 2719078, 4078617, 5438156, 6797695, 8157234, 13595390, 16314468, 20393085, 27190780, 40786170, 81572340]

約数ペア:

[(1, 81572340), (2, 40786170), (3, 27190780), (4, 20393085), (5, 16314468), (6, 13595390), (10, 8157234), (12, 6797695), (15, 5438156), (20, 4078617), (30, 2719078), (60, 1359539), (509, 160260), (1018, 80130), (1527, 53420), (2036, 40065), (2545, 32052), (2671, 30540), (3054, 26710), (5090, 16026), (5342, 15270), (6108, 13355), (7635, 10684), (8013, 10180)]