1347280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1531}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 3419424

約数和(自身を除く): 2072144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1531, 3062, 6124, 7655, 12248, 15310, 16841, 24496, 30620, 33682, 61240, 67364, 84205, 122480, 134728, 168410, 269456, 336820, 673640, 1347280]

約数ペア:

[(1, 1347280), (2, 673640), (4, 336820), (5, 269456), (8, 168410), (10, 134728), (11, 122480), (16, 84205), (20, 67364), (22, 61240), (40, 33682), (44, 30620), (55, 24496), (80, 16841), (88, 15310), (110, 12248), (176, 7655), (220, 6124), (440, 3062), (880, 1531)]