138713680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13037}}^1$

素因数の和:13076

約数の個数: 80

約数和(自身を含む): 388010880

約数和(自身を除く): 249297200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 13037, 26074, 52148, 65185, 91259, 104296, 130370, 182518, 208592, 247703, 260740, 365036, 456295, 495406, 521480, 730072, 912590, 990812, 1042960, 1238515, 1460144, 1733921, 1825180, 1981624, 2477030, 3467842, 3650360, 3963248, 4954060, 6935684, 7300720, 8669605, 9908120, 13871368, 17339210, 19816240, 27742736, 34678420, 69356840, 138713680]

約数ペア:

[(1, 138713680), (2, 69356840), (4, 34678420), (5, 27742736), (7, 19816240), (8, 17339210), (10, 13871368), (14, 9908120), (16, 8669605), (19, 7300720), (20, 6935684), (28, 4954060), (35, 3963248), (38, 3650360), (40, 3467842), (56, 2477030), (70, 1981624), (76, 1825180), (80, 1733921), (95, 1460144), (112, 1238515), (133, 1042960), (140, 990812), (152, 912590), (190, 730072), (266, 521480), (280, 495406), (304, 456295), (380, 365036), (532, 260740), (560, 247703), (665, 208592), (760, 182518), (1064, 130370), (1330, 104296), (1520, 91259), (2128, 65185), (2660, 52148), (5320, 26074), (10640, 13037)]