1520731480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{3617}}^1$

素因数の和:4108

約数の個数: 64

約数和(自身を含む): 3579215040

約数和(自身を除く): 2058483560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 457, 460, 914, 920, 1828, 2285, 3617, 3656, 4570, 7234, 9140, 10511, 14468, 18085, 18280, 21022, 28936, 36170, 42044, 52555, 72340, 83191, 84088, 105110, 144680, 166382, 210220, 332764, 415955, 420440, 665528, 831910, 1652969, 1663820, 3305938, 3327640, 6611876, 8264845, 13223752, 16529690, 33059380, 38018287, 66118760, 76036574, 152073148, 190091435, 304146296, 380182870, 760365740, 1520731480]

約数ペア:

[(1, 1520731480), (2, 760365740), (4, 380182870), (5, 304146296), (8, 190091435), (10, 152073148), (20, 76036574), (23, 66118760), (40, 38018287), (46, 33059380), (92, 16529690), (115, 13223752), (184, 8264845), (230, 6611876), (457, 3327640), (460, 3305938), (914, 1663820), (920, 1652969), (1828, 831910), (2285, 665528), (3617, 420440), (3656, 415955), (4570, 332764), (7234, 210220), (9140, 166382), (10511, 144680), (14468, 105110), (18085, 84088), (18280, 83191), (21022, 72340), (28936, 52555), (36170, 42044)]