15888040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 41212800

約数和(自身を除く): 25324760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 317, 358, 634, 716, 895, 1253, 1268, 1432, 1585, 1790, 2219, 2506, 2536, 3170, 3580, 4438, 5012, 6265, 6340, 7160, 8876, 10024, 11095, 12530, 12680, 17752, 22190, 25060, 44380, 50120, 56743, 88760, 113486, 226972, 283715, 397201, 453944, 567430, 794402, 1134860, 1588804, 1986005, 2269720, 3177608, 3972010, 7944020, 15888040]

約数ペア:

[(1, 15888040), (2, 7944020), (4, 3972010), (5, 3177608), (7, 2269720), (8, 1986005), (10, 1588804), (14, 1134860), (20, 794402), (28, 567430), (35, 453944), (40, 397201), (56, 283715), (70, 226972), (140, 113486), (179, 88760), (280, 56743), (317, 50120), (358, 44380), (634, 25060), (716, 22190), (895, 17752), (1253, 12680), (1268, 12530), (1432, 11095), (1585, 10024), (1790, 8876), (2219, 7160), (2506, 6340), (2536, 6265), (3170, 5012), (3580, 4438)]