157440640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 435352320

約数和(自身を除く): 277911680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 128, 140, 160, 224, 226, 280, 311, 320, 448, 452, 560, 565, 622, 640, 791, 896, 904, 1120, 1130, 1244, 1555, 1582, 1808, 2177, 2240, 2260, 2488, 3110, 3164, 3616, 3955, 4354, 4480, 4520, 4976, 6220, 6328, 7232, 7910, 8708, 9040, 9952, 10885, 12440, 12656, 14464, 15820, 17416, 18080, 19904, 21770, 24880, 25312, 31640, 34832, 35143, 36160, 39808, 43540, 49760, 50624, 63280, 69664, 70286, 72320, 87080, 99520, 101248, 126560, 139328, 140572, 174160, 175715, 199040, 246001, 253120, 278656, 281144, 348320, 351430, 492002, 506240, 562288, 696640, 702860, 984004, 1124576, 1230005, 1393280, 1405720, 1968008, 2249152, 2460010, 2811440, 3936016, 4498304, 4920020, 5622880, 7872032, 9840040, 11245760, 15744064, 19680080, 22491520, 31488128, 39360160, 78720320, 157440640]

約数ペア:

[(1, 157440640), (2, 78720320), (4, 39360160), (5, 31488128), (7, 22491520), (8, 19680080), (10, 15744064), (14, 11245760), (16, 9840040), (20, 7872032), (28, 5622880), (32, 4920020), (35, 4498304), (40, 3936016), (56, 2811440), (64, 2460010), (70, 2249152), (80, 1968008), (112, 1405720), (113, 1393280), (128, 1230005), (140, 1124576), (160, 984004), (224, 702860), (226, 696640), (280, 562288), (311, 506240), (320, 492002), (448, 351430), (452, 348320), (560, 281144), (565, 278656), (622, 253120), (640, 246001), (791, 199040), (896, 175715), (904, 174160), (1120, 140572), (1130, 139328), (1244, 126560), (1555, 101248), (1582, 99520), (1808, 87080), (2177, 72320), (2240, 70286), (2260, 69664), (2488, 63280), (3110, 50624), (3164, 49760), (3616, 43540), (3955, 39808), (4354, 36160), (4480, 35143), (4520, 34832), (4976, 31640), (6220, 25312), (6328, 24880), (7232, 21770), (7910, 19904), (8708, 18080), (9040, 17416), (9952, 15820), (10885, 14464), (12440, 12656)]