78926960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 212028096

約数和(自身を除く): 133101136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1453, 1552, 1940, 2716, 2906, 3395, 3880, 5432, 5812, 6790, 7265, 7760, 10171, 10864, 11624, 13580, 14530, 20342, 23248, 27160, 29060, 40684, 50855, 54320, 58120, 81368, 101710, 116240, 140941, 162736, 203420, 281882, 406840, 563764, 704705, 813680, 986587, 1127528, 1409410, 1973174, 2255056, 2818820, 3946348, 4932935, 5637640, 7892696, 9865870, 11275280, 15785392, 19731740, 39463480, 78926960]

約数ペア:

[(1, 78926960), (2, 39463480), (4, 19731740), (5, 15785392), (7, 11275280), (8, 9865870), (10, 7892696), (14, 5637640), (16, 4932935), (20, 3946348), (28, 2818820), (35, 2255056), (40, 1973174), (56, 1409410), (70, 1127528), (80, 986587), (97, 813680), (112, 704705), (140, 563764), (194, 406840), (280, 281882), (388, 203420), (485, 162736), (560, 140941), (679, 116240), (776, 101710), (970, 81368), (1358, 58120), (1453, 54320), (1552, 50855), (1940, 40684), (2716, 29060), (2906, 27160), (3395, 23248), (3880, 20342), (5432, 14530), (5812, 13580), (6790, 11624), (7265, 10864), (7760, 10171)]