129587280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{539947}}^1$

素因数の和:539963

約数の個数: 40

約数和(自身を含む): 401721312

約数和(自身を除く): 272134032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 539947, 1079894, 1619841, 2159788, 2699735, 3239682, 4319576, 5399470, 6479364, 8099205, 8639152, 10798940, 12958728, 16198410, 21597880, 25917456, 32396820, 43195760, 64793640, 129587280]

約数ペア:

[(1, 129587280), (2, 64793640), (3, 43195760), (4, 32396820), (5, 25917456), (6, 21597880), (8, 16198410), (10, 12958728), (12, 10798940), (15, 8639152), (16, 8099205), (20, 6479364), (24, 5399470), (30, 4319576), (40, 3239682), (48, 2699735), (60, 2159788), (80, 1619841), (120, 1079894), (240, 539947)]