77750480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 188987904

約数和(自身を除く): 111237424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 107, 124, 155, 214, 248, 293, 310, 428, 496, 535, 586, 620, 856, 1070, 1172, 1240, 1465, 1712, 2140, 2344, 2480, 2930, 3317, 4280, 4688, 5860, 6634, 8560, 9083, 11720, 13268, 16585, 18166, 23440, 26536, 31351, 33170, 36332, 45415, 53072, 62702, 66340, 72664, 90830, 125404, 132680, 145328, 156755, 181660, 250808, 265360, 313510, 363320, 501616, 627020, 726640, 971881, 1254040, 1943762, 2508080, 3887524, 4859405, 7775048, 9718810, 15550096, 19437620, 38875240, 77750480]

約数ペア:

[(1, 77750480), (2, 38875240), (4, 19437620), (5, 15550096), (8, 9718810), (10, 7775048), (16, 4859405), (20, 3887524), (31, 2508080), (40, 1943762), (62, 1254040), (80, 971881), (107, 726640), (124, 627020), (155, 501616), (214, 363320), (248, 313510), (293, 265360), (310, 250808), (428, 181660), (496, 156755), (535, 145328), (586, 132680), (620, 125404), (856, 90830), (1070, 72664), (1172, 66340), (1240, 62702), (1465, 53072), (1712, 45415), (2140, 36332), (2344, 33170), (2480, 31351), (2930, 26536), (3317, 23440), (4280, 18166), (4688, 16585), (5860, 13268), (6634, 11720), (8560, 9083)]