78840420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16633}}^1$

素因数の和:16724

約数の個数: 48

約数和(自身を含む): 223560960

約数和(自身を除く): 144720540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 16633, 33266, 49899, 66532, 83165, 99798, 166330, 199596, 249495, 332660, 498990, 997980, 1314007, 2628014, 3942021, 5256028, 6570035, 7884042, 13140070, 15768084, 19710105, 26280140, 39420210, 78840420]

約数ペア:

[(1, 78840420), (2, 39420210), (3, 26280140), (4, 19710105), (5, 15768084), (6, 13140070), (10, 7884042), (12, 6570035), (15, 5256028), (20, 3942021), (30, 2628014), (60, 1314007), (79, 997980), (158, 498990), (237, 332660), (316, 249495), (395, 199596), (474, 166330), (790, 99798), (948, 83165), (1185, 66532), (1580, 49899), (2370, 33266), (4740, 16633)]