138288640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7717}}^1$

素因数の和:7747

約数の個数: 80

約数和(自身を含む): 378984672

約数和(自身を除く): 240696032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7717, 8960, 15434, 17920, 30868, 38585, 54019, 61736, 77170, 108038, 123472, 154340, 216076, 246944, 270095, 308680, 432152, 493888, 540190, 617360, 864304, 987776, 1080380, 1234720, 1728608, 1975552, 2160760, 2469440, 3457216, 3951104, 4321520, 4938880, 6914432, 8643040, 9877760, 13828864, 17286080, 19755520, 27657728, 34572160, 69144320, 138288640]

約数ペア:

[(1, 138288640), (2, 69144320), (4, 34572160), (5, 27657728), (7, 19755520), (8, 17286080), (10, 13828864), (14, 9877760), (16, 8643040), (20, 6914432), (28, 4938880), (32, 4321520), (35, 3951104), (40, 3457216), (56, 2469440), (64, 2160760), (70, 1975552), (80, 1728608), (112, 1234720), (128, 1080380), (140, 987776), (160, 864304), (224, 617360), (256, 540190), (280, 493888), (320, 432152), (448, 308680), (512, 270095), (560, 246944), (640, 216076), (896, 154340), (1120, 123472), (1280, 108038), (1792, 77170), (2240, 61736), (2560, 54019), (3584, 38585), (4480, 30868), (7717, 17920), (8960, 15434)]