71421440

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1259

約数の個数: 80

約数和(自身を含む): 178836768

約数和(自身を除く): 107415328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1213, 1280, 1472, 1840, 2426, 2560, 2944, 3680, 4852, 5888, 6065, 7360, 9704, 11776, 12130, 14720, 19408, 24260, 27899, 29440, 38816, 48520, 55798, 58880, 77632, 97040, 111596, 139495, 155264, 194080, 223192, 278990, 310528, 388160, 446384, 557980, 621056, 776320, 892768, 1115960, 1552640, 1785536, 2231920, 3105280, 3571072, 4463840, 7142144, 8927680, 14284288, 17855360, 35710720, 71421440]

約数ペア:

[(1, 71421440), (2, 35710720), (4, 17855360), (5, 14284288), (8, 8927680), (10, 7142144), (16, 4463840), (20, 3571072), (23, 3105280), (32, 2231920), (40, 1785536), (46, 1552640), (64, 1115960), (80, 892768), (92, 776320), (115, 621056), (128, 557980), (160, 446384), (184, 388160), (230, 310528), (256, 278990), (320, 223192), (368, 194080), (460, 155264), (512, 139495), (640, 111596), (736, 97040), (920, 77632), (1213, 58880), (1280, 55798), (1472, 48520), (1840, 38816), (2426, 29440), (2560, 27899), (2944, 24260), (3680, 19408), (4852, 14720), (5888, 12130), (6065, 11776), (7360, 9704)]