78767920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:723

約数の個数: 160

約数和(自身を含む): 240698880

約数和(自身を除く): 161930960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 532, 560, 616, 665, 673, 760, 770, 836, 880, 1045, 1064, 1232, 1330, 1346, 1463, 1520, 1540, 1672, 2090, 2128, 2660, 2692, 2926, 3080, 3344, 3365, 4180, 4711, 5320, 5384, 5852, 6160, 6730, 7315, 7403, 8360, 9422, 10640, 10768, 11704, 12787, 13460, 14630, 14806, 16720, 18844, 23408, 23555, 25574, 26920, 29260, 29612, 37015, 37688, 47110, 51148, 51821, 53840, 58520, 59224, 63935, 74030, 75376, 89509, 94220, 102296, 103642, 117040, 118448, 127870, 140657, 148060, 179018, 188440, 204592, 207284, 255740, 259105, 281314, 296120, 358036, 376880, 414568, 447545, 511480, 518210, 562628, 592240, 703285, 716072, 829136, 895090, 984599, 1022960, 1036420, 1125256, 1406570, 1432144, 1790180, 1969198, 2072840, 2250512, 2813140, 3580360, 3938396, 4145680, 4922995, 5626280, 7160720, 7876792, 9845990, 11252560, 15753584, 19691980, 39383960, 78767920]

約数ペア:

[(1, 78767920), (2, 39383960), (4, 19691980), (5, 15753584), (7, 11252560), (8, 9845990), (10, 7876792), (11, 7160720), (14, 5626280), (16, 4922995), (19, 4145680), (20, 3938396), (22, 3580360), (28, 2813140), (35, 2250512), (38, 2072840), (40, 1969198), (44, 1790180), (55, 1432144), (56, 1406570), (70, 1125256), (76, 1036420), (77, 1022960), (80, 984599), (88, 895090), (95, 829136), (110, 716072), (112, 703285), (133, 592240), (140, 562628), (152, 518210), (154, 511480), (176, 447545), (190, 414568), (209, 376880), (220, 358036), (266, 296120), (280, 281314), (304, 259105), (308, 255740), (380, 207284), (385, 204592), (418, 188440), (440, 179018), (532, 148060), (560, 140657), (616, 127870), (665, 118448), (673, 117040), (760, 103642), (770, 102296), (836, 94220), (880, 89509), (1045, 75376), (1064, 74030), (1232, 63935), (1330, 59224), (1346, 58520), (1463, 53840), (1520, 51821), (1540, 51148), (1672, 47110), (2090, 37688), (2128, 37015), (2660, 29612), (2692, 29260), (2926, 26920), (3080, 25574), (3344, 23555), (3365, 23408), (4180, 18844), (4711, 16720), (5320, 14806), (5384, 14630), (5852, 13460), (6160, 12787), (6730, 11704), (7315, 10768), (7403, 10640), (8360, 9422)]