271440560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{64019}}^1$

素因数の和:64085

約数の個数: 40

約数和(自身を含む): 643016880

約数和(自身を除く): 371576320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 64019, 128038, 256076, 320095, 512152, 640190, 1024304, 1280380, 2560760, 3393007, 5121520, 6786014, 13572028, 16965035, 27144056, 33930070, 54288112, 67860140, 135720280, 271440560]

約数ペア:

[(1, 271440560), (2, 135720280), (4, 67860140), (5, 54288112), (8, 33930070), (10, 27144056), (16, 16965035), (20, 13572028), (40, 6786014), (53, 5121520), (80, 3393007), (106, 2560760), (212, 1280380), (265, 1024304), (424, 640190), (530, 512152), (848, 320095), (1060, 256076), (2120, 128038), (4240, 64019)]