15538580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 34769280

約数和(自身を除く): 19230700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 397, 412, 515, 794, 1030, 1588, 1957, 1985, 2060, 3914, 3970, 7543, 7828, 7940, 9785, 15086, 19570, 30172, 37715, 39140, 40891, 75430, 81782, 150860, 163564, 204455, 408910, 776929, 817820, 1553858, 3107716, 3884645, 7769290, 15538580]

約数ペア:

[(1, 15538580), (2, 7769290), (4, 3884645), (5, 3107716), (10, 1553858), (19, 817820), (20, 776929), (38, 408910), (76, 204455), (95, 163564), (103, 150860), (190, 81782), (206, 75430), (380, 40891), (397, 39140), (412, 37715), (515, 30172), (794, 19570), (1030, 15086), (1588, 9785), (1957, 7940), (1985, 7828), (2060, 7543), (3914, 3970)]