78148520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 193039200

約数和(自身を除く): 114890680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 107, 124, 152, 155, 190, 214, 248, 310, 380, 428, 535, 589, 620, 760, 856, 961, 1070, 1178, 1240, 1922, 2033, 2140, 2356, 2945, 3317, 3844, 4066, 4280, 4712, 4805, 5890, 6634, 7688, 8132, 9610, 10165, 11780, 13268, 16264, 16585, 18259, 19220, 20330, 23560, 26536, 33170, 36518, 38440, 40660, 63023, 66340, 73036, 81320, 91295, 102827, 126046, 132680, 146072, 182590, 205654, 252092, 315115, 365180, 411308, 504184, 514135, 630230, 730360, 822616, 1028270, 1260460, 1953713, 2056540, 2520920, 3907426, 4113080, 7814852, 9768565, 15629704, 19537130, 39074260, 78148520]

約数ペア:

[(1, 78148520), (2, 39074260), (4, 19537130), (5, 15629704), (8, 9768565), (10, 7814852), (19, 4113080), (20, 3907426), (31, 2520920), (38, 2056540), (40, 1953713), (62, 1260460), (76, 1028270), (95, 822616), (107, 730360), (124, 630230), (152, 514135), (155, 504184), (190, 411308), (214, 365180), (248, 315115), (310, 252092), (380, 205654), (428, 182590), (535, 146072), (589, 132680), (620, 126046), (760, 102827), (856, 91295), (961, 81320), (1070, 73036), (1178, 66340), (1240, 63023), (1922, 40660), (2033, 38440), (2140, 36518), (2356, 33170), (2945, 26536), (3317, 23560), (3844, 20330), (4066, 19220), (4280, 18259), (4712, 16585), (4805, 16264), (5890, 13268), (6634, 11780), (7688, 10165), (8132, 9610)]