1268680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 3421440

約数和(自身を除く): 2152760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 197, 230, 280, 322, 394, 460, 644, 788, 805, 920, 985, 1288, 1379, 1576, 1610, 1970, 2758, 3220, 3940, 4531, 5516, 6440, 6895, 7880, 9062, 11032, 13790, 18124, 22655, 27580, 31717, 36248, 45310, 55160, 63434, 90620, 126868, 158585, 181240, 253736, 317170, 634340, 1268680]

約数ペア:

[(1, 1268680), (2, 634340), (4, 317170), (5, 253736), (7, 181240), (8, 158585), (10, 126868), (14, 90620), (20, 63434), (23, 55160), (28, 45310), (35, 36248), (40, 31717), (46, 27580), (56, 22655), (70, 18124), (92, 13790), (115, 11032), (140, 9062), (161, 7880), (184, 6895), (197, 6440), (230, 5516), (280, 4531), (322, 3940), (394, 3220), (460, 2758), (644, 1970), (788, 1610), (805, 1576), (920, 1379), (985, 1288)]