1558904920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{2141}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 3562574400

約数和(自身を除く): 2003669480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 167, 218, 334, 436, 545, 668, 835, 872, 1090, 1336, 1670, 2141, 2180, 3340, 4282, 4360, 6680, 8564, 10705, 17128, 18203, 21410, 36406, 42820, 72812, 85640, 91015, 145624, 182030, 233369, 357547, 364060, 466738, 715094, 728120, 933476, 1166845, 1430188, 1787735, 1866952, 2333690, 2860376, 3575470, 4667380, 7150940, 9334760, 14301880, 38972623, 77945246, 155890492, 194863115, 311780984, 389726230, 779452460, 1558904920]

約数ペア:

[(1, 1558904920), (2, 779452460), (4, 389726230), (5, 311780984), (8, 194863115), (10, 155890492), (20, 77945246), (40, 38972623), (109, 14301880), (167, 9334760), (218, 7150940), (334, 4667380), (436, 3575470), (545, 2860376), (668, 2333690), (835, 1866952), (872, 1787735), (1090, 1430188), (1336, 1166845), (1670, 933476), (2141, 728120), (2180, 715094), (3340, 466738), (4282, 364060), (4360, 357547), (6680, 233369), (8564, 182030), (10705, 145624), (17128, 91015), (18203, 85640), (21410, 72812), (36406, 42820)]