7243880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 19111680

約数和(自身を除く): 11867800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 631, 820, 1148, 1262, 1435, 1640, 2296, 2524, 2870, 3155, 4417, 5048, 5740, 6310, 8834, 11480, 12620, 17668, 22085, 25240, 25871, 35336, 44170, 51742, 88340, 103484, 129355, 176680, 181097, 206968, 258710, 362194, 517420, 724388, 905485, 1034840, 1448776, 1810970, 3621940, 7243880]

約数ペア:

[(1, 7243880), (2, 3621940), (4, 1810970), (5, 1448776), (7, 1034840), (8, 905485), (10, 724388), (14, 517420), (20, 362194), (28, 258710), (35, 206968), (40, 181097), (41, 176680), (56, 129355), (70, 103484), (82, 88340), (140, 51742), (164, 44170), (205, 35336), (280, 25871), (287, 25240), (328, 22085), (410, 17668), (574, 12620), (631, 11480), (820, 8834), (1148, 6310), (1262, 5740), (1435, 5048), (1640, 4417), (2296, 3155), (2524, 2870)]