71309440

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1749

約数の個数: 64

約数和(自身を含む): 173122560

約数和(自身を除く): 101813120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1663, 2144, 2680, 3326, 4288, 5360, 6652, 8315, 8576, 10720, 13304, 16630, 21440, 26608, 33260, 42880, 53216, 66520, 106432, 111421, 133040, 212864, 222842, 266080, 445684, 532160, 557105, 891368, 1064320, 1114210, 1782736, 2228420, 3565472, 4456840, 7130944, 8913680, 14261888, 17827360, 35654720, 71309440]

約数ペア:

[(1, 71309440), (2, 35654720), (4, 17827360), (5, 14261888), (8, 8913680), (10, 7130944), (16, 4456840), (20, 3565472), (32, 2228420), (40, 1782736), (64, 1114210), (67, 1064320), (80, 891368), (128, 557105), (134, 532160), (160, 445684), (268, 266080), (320, 222842), (335, 212864), (536, 133040), (640, 111421), (670, 106432), (1072, 66520), (1340, 53216), (1663, 42880), (2144, 33260), (2680, 26608), (3326, 21440), (4288, 16630), (5360, 13304), (6652, 10720), (8315, 8576)]