74651920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 200344320

約数和(自身を除く): 125692400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1223, 1526, 1744, 2180, 2446, 3052, 3815, 4360, 4892, 6104, 6115, 7630, 8561, 8720, 9784, 12208, 12230, 15260, 17122, 19568, 24460, 30520, 34244, 42805, 48920, 61040, 68488, 85610, 97840, 133307, 136976, 171220, 266614, 342440, 533228, 666535, 684880, 933149, 1066456, 1333070, 1866298, 2132912, 2666140, 3732596, 4665745, 5332280, 7465192, 9331490, 10664560, 14930384, 18662980, 37325960, 74651920]

約数ペア:

[(1, 74651920), (2, 37325960), (4, 18662980), (5, 14930384), (7, 10664560), (8, 9331490), (10, 7465192), (14, 5332280), (16, 4665745), (20, 3732596), (28, 2666140), (35, 2132912), (40, 1866298), (56, 1333070), (70, 1066456), (80, 933149), (109, 684880), (112, 666535), (140, 533228), (218, 342440), (280, 266614), (436, 171220), (545, 136976), (560, 133307), (763, 97840), (872, 85610), (1090, 68488), (1223, 61040), (1526, 48920), (1744, 42805), (2180, 34244), (2446, 30520), (3052, 24460), (3815, 19568), (4360, 17122), (4892, 15260), (6104, 12230), (6115, 12208), (7630, 9784), (8561, 8720)]