71708940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17321}}^1$

素因数の和:17359

約数の個数: 72

約数和(自身を含む): 226987488

約数和(自身を除く): 155278548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 17321, 34642, 51963, 69284, 86605, 103926, 155889, 173210, 207852, 259815, 311778, 346420, 398383, 519630, 623556, 779445, 796766, 1039260, 1195149, 1558890, 1593532, 1991915, 2390298, 3117780, 3585447, 3983830, 4780596, 5975745, 7170894, 7967660, 11951490, 14341788, 17927235, 23902980, 35854470, 71708940]

約数ペア:

[(1, 71708940), (2, 35854470), (3, 23902980), (4, 17927235), (5, 14341788), (6, 11951490), (9, 7967660), (10, 7170894), (12, 5975745), (15, 4780596), (18, 3983830), (20, 3585447), (23, 3117780), (30, 2390298), (36, 1991915), (45, 1593532), (46, 1558890), (60, 1195149), (69, 1039260), (90, 796766), (92, 779445), (115, 623556), (138, 519630), (180, 398383), (207, 346420), (230, 311778), (276, 259815), (345, 207852), (414, 173210), (460, 155889), (690, 103926), (828, 86605), (1035, 69284), (1380, 51963), (2070, 34642), (4140, 17321)]