72130840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 172627200

約数和(自身を除く): 100496360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 887, 1070, 1774, 2033, 2140, 3548, 4066, 4280, 4435, 7096, 8132, 8870, 10165, 16264, 16853, 17740, 20330, 33706, 35480, 40660, 67412, 81320, 84265, 94909, 134824, 168530, 189818, 337060, 379636, 474545, 674120, 759272, 949090, 1803271, 1898180, 3606542, 3796360, 7213084, 9016355, 14426168, 18032710, 36065420, 72130840]

約数ペア:

[(1, 72130840), (2, 36065420), (4, 18032710), (5, 14426168), (8, 9016355), (10, 7213084), (19, 3796360), (20, 3606542), (38, 1898180), (40, 1803271), (76, 949090), (95, 759272), (107, 674120), (152, 474545), (190, 379636), (214, 337060), (380, 189818), (428, 168530), (535, 134824), (760, 94909), (856, 84265), (887, 81320), (1070, 67412), (1774, 40660), (2033, 35480), (2140, 33706), (3548, 20330), (4066, 17740), (4280, 16853), (4435, 16264), (7096, 10165), (8132, 8870)]