71756720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1438

約数の個数: 80

約数和(自身を含む): 192779328

約数和(自身を除く): 121022608

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, 1321, 1358, 1552, 1940, 2642, 2716, 3395, 3880, 5284, 5432, 6605, 6790, 7760, 9247, 10568, 10864, 13210, 13580, 18494, 21136, 26420, 27160, 36988, 46235, 52840, 54320, 73976, 92470, 105680, 128137, 147952, 184940, 256274, 369880, 512548, 640685, 739760, 896959, 1025096, 1281370, 1793918, 2050192, 2562740, 3587836, 4484795, 5125480, 7175672, 8969590, 10250960, 14351344, 17939180, 35878360, 71756720]

約数ペア:

[(1, 71756720), (2, 35878360), (4, 17939180), (5, 14351344), (7, 10250960), (8, 8969590), (10, 7175672), (14, 5125480), (16, 4484795), (20, 3587836), (28, 2562740), (35, 2050192), (40, 1793918), (56, 1281370), (70, 1025096), (80, 896959), (97, 739760), (112, 640685), (140, 512548), (194, 369880), (280, 256274), (388, 184940), (485, 147952), (560, 128137), (679, 105680), (776, 92470), (970, 73976), (1321, 54320), (1358, 52840), (1552, 46235), (1940, 36988), (2642, 27160), (2716, 26420), (3395, 21136), (3880, 18494), (5284, 13580), (5432, 13210), (6605, 10864), (6790, 10568), (7760, 9247)]