31771980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3496

約数の個数: 96

約数和(自身を含む): 104690880

約数和(自身を除く): 72918900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 3461, 4590, 6922, 9180, 10383, 13844, 17305, 20766, 31149, 34610, 41532, 51915, 58837, 62298, 69220, 93447, 103830, 117674, 124596, 155745, 176511, 186894, 207660, 235348, 294185, 311490, 353022, 373788, 467235, 529533, 588370, 622980, 706044, 882555, 934470, 1059066, 1176740, 1588599, 1765110, 1868940, 2118132, 2647665, 3177198, 3530220, 5295330, 6354396, 7942995, 10590660, 15885990, 31771980]

約数ペア:

[(1, 31771980), (2, 15885990), (3, 10590660), (4, 7942995), (5, 6354396), (6, 5295330), (9, 3530220), (10, 3177198), (12, 2647665), (15, 2118132), (17, 1868940), (18, 1765110), (20, 1588599), (27, 1176740), (30, 1059066), (34, 934470), (36, 882555), (45, 706044), (51, 622980), (54, 588370), (60, 529533), (68, 467235), (85, 373788), (90, 353022), (102, 311490), (108, 294185), (135, 235348), (153, 207660), (170, 186894), (180, 176511), (204, 155745), (255, 124596), (270, 117674), (306, 103830), (340, 93447), (459, 69220), (510, 62298), (540, 58837), (612, 51915), (765, 41532), (918, 34610), (1020, 31149), (1530, 20766), (1836, 17305), (2295, 13844), (3060, 10383), (3461, 9180), (4590, 6922)]