280757680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26387}}^1$

素因数の和:26426

約数の個数: 80

約数和(自身を含む): 785306880

約数和(自身を除く): 504549200

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, 26387, 52774, 105548, 131935, 184709, 211096, 263870, 369418, 422192, 501353, 527740, 738836, 923545, 1002706, 1055480, 1477672, 1847090, 2005412, 2110960, 2506765, 2955344, 3509471, 3694180, 4010824, 5013530, 7018942, 7388360, 8021648, 10027060, 14037884, 14776720, 17547355, 20054120, 28075768, 35094710, 40108240, 56151536, 70189420, 140378840, 280757680]

約数ペア:

[(1, 280757680), (2, 140378840), (4, 70189420), (5, 56151536), (7, 40108240), (8, 35094710), (10, 28075768), (14, 20054120), (16, 17547355), (19, 14776720), (20, 14037884), (28, 10027060), (35, 8021648), (38, 7388360), (40, 7018942), (56, 5013530), (70, 4010824), (76, 3694180), (80, 3509471), (95, 2955344), (112, 2506765), (133, 2110960), (140, 2005412), (152, 1847090), (190, 1477672), (266, 1055480), (280, 1002706), (304, 923545), (380, 738836), (532, 527740), (560, 501353), (665, 422192), (760, 369418), (1064, 263870), (1330, 211096), (1520, 184709), (2128, 131935), (2660, 105548), (5320, 52774), (10640, 26387)]