77720460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9319}}^1$

素因数の和:9470

約数の個数: 48

約数和(自身を含む): 219206400

約数和(自身を除く): 141485940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 9319, 18638, 27957, 37276, 46595, 55914, 93190, 111828, 139785, 186380, 279570, 559140, 1295341, 2590682, 3886023, 5181364, 6476705, 7772046, 12953410, 15544092, 19430115, 25906820, 38860230, 77720460]

約数ペア:

[(1, 77720460), (2, 38860230), (3, 25906820), (4, 19430115), (5, 15544092), (6, 12953410), (10, 7772046), (12, 6476705), (15, 5181364), (20, 3886023), (30, 2590682), (60, 1295341), (139, 559140), (278, 279570), (417, 186380), (556, 139785), (695, 111828), (834, 93190), (1390, 55914), (1668, 46595), (2085, 37276), (2780, 27957), (4170, 18638), (8340, 9319)]