12858472760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{421313}}^1$

素因数の和:421440

約数の個数: 64

約数和(自身を含む): 33368068800

約数和(自身を除く): 20509596040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 7630, 15260, 30520, 421313, 842626, 1685252, 2106565, 2949191, 3370504, 4213130, 5898382, 8426260, 11796764, 14745955, 16852520, 23593528, 29491910, 45923117, 58983820, 91846234, 117967640, 183692468, 229615585, 321461819, 367384936, 459231170, 642923638, 918462340, 1285847276, 1607309095, 1836924680, 2571694552, 3214618190, 6429236380, 12858472760]

約数ペア:

[(1, 12858472760), (2, 6429236380), (4, 3214618190), (5, 2571694552), (7, 1836924680), (8, 1607309095), (10, 1285847276), (14, 918462340), (20, 642923638), (28, 459231170), (35, 367384936), (40, 321461819), (56, 229615585), (70, 183692468), (109, 117967640), (140, 91846234), (218, 58983820), (280, 45923117), (436, 29491910), (545, 23593528), (763, 16852520), (872, 14745955), (1090, 11796764), (1526, 8426260), (2180, 5898382), (3052, 4213130), (3815, 3370504), (4360, 2949191), (6104, 2106565), (7630, 1685252), (15260, 842626), (30520, 421313)]