78905880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73061}}^1$

素因数の和:73081

約数の個数: 64

約数和(自身を含む): 263023200

約数和(自身を除く): 184117320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 73061, 146122, 219183, 292244, 365305, 438366, 584488, 657549, 730610, 876732, 1095915, 1315098, 1461220, 1753464, 1972647, 2191830, 2630196, 2922440, 3287745, 3945294, 4383660, 5260392, 6575490, 7890588, 8767320, 9863235, 13150980, 15781176, 19726470, 26301960, 39452940, 78905880]

約数ペア:

[(1, 78905880), (2, 39452940), (3, 26301960), (4, 19726470), (5, 15781176), (6, 13150980), (8, 9863235), (9, 8767320), (10, 7890588), (12, 6575490), (15, 5260392), (18, 4383660), (20, 3945294), (24, 3287745), (27, 2922440), (30, 2630196), (36, 2191830), (40, 1972647), (45, 1753464), (54, 1461220), (60, 1315098), (72, 1095915), (90, 876732), (108, 730610), (120, 657549), (135, 584488), (180, 438366), (216, 365305), (270, 292244), (360, 219183), (540, 146122), (1080, 73061)]