140711680

素因数分解:

$2^8\times 5^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 339295824

約数和(自身を除く): 198584144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 521, 640, 844, 1042, 1055, 1280, 1688, 2084, 2110, 2605, 3376, 4168, 4220, 5210, 6752, 8336, 8440, 10420, 13504, 16672, 16880, 20840, 27008, 33344, 33760, 41680, 54016, 66688, 67520, 83360, 109931, 133376, 135040, 166720, 219862, 270080, 333440, 439724, 549655, 666880, 879448, 1099310, 1758896, 2198620, 3517792, 4397240, 7035584, 8794480, 14071168, 17588960, 28142336, 35177920, 70355840, 140711680]

約数ペア:

[(1, 140711680), (2, 70355840), (4, 35177920), (5, 28142336), (8, 17588960), (10, 14071168), (16, 8794480), (20, 7035584), (32, 4397240), (40, 3517792), (64, 2198620), (80, 1758896), (128, 1099310), (160, 879448), (211, 666880), (256, 549655), (320, 439724), (422, 333440), (521, 270080), (640, 219862), (844, 166720), (1042, 135040), (1055, 133376), (1280, 109931), (1688, 83360), (2084, 67520), (2110, 66688), (2605, 54016), (3376, 41680), (4168, 33760), (4220, 33344), (5210, 27008), (6752, 20840), (8336, 16880), (8440, 16672), (10420, 13504)]