128826280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 326541600

約数和(自身を除く): 197715320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 172, 215, 220, 242, 344, 430, 440, 473, 484, 605, 619, 860, 946, 968, 1210, 1238, 1720, 1892, 2365, 2420, 2476, 3095, 3784, 4730, 4840, 4952, 5203, 6190, 6809, 9460, 10406, 12380, 13618, 18920, 20812, 24760, 26015, 26617, 27236, 34045, 41624, 52030, 53234, 54472, 68090, 74899, 104060, 106468, 133085, 136180, 149798, 208120, 212936, 266170, 272360, 292787, 299596, 374495, 532340, 585574, 599192, 748990, 1064680, 1171148, 1463935, 1497980, 2342296, 2927870, 2995960, 3220657, 5855740, 6441314, 11711480, 12882628, 16103285, 25765256, 32206570, 64413140, 128826280]

約数ペア:

[(1, 128826280), (2, 64413140), (4, 32206570), (5, 25765256), (8, 16103285), (10, 12882628), (11, 11711480), (20, 6441314), (22, 5855740), (40, 3220657), (43, 2995960), (44, 2927870), (55, 2342296), (86, 1497980), (88, 1463935), (110, 1171148), (121, 1064680), (172, 748990), (215, 599192), (220, 585574), (242, 532340), (344, 374495), (430, 299596), (440, 292787), (473, 272360), (484, 266170), (605, 212936), (619, 208120), (860, 149798), (946, 136180), (968, 133085), (1210, 106468), (1238, 104060), (1720, 74899), (1892, 68090), (2365, 54472), (2420, 53234), (2476, 52030), (3095, 41624), (3784, 34045), (4730, 27236), (4840, 26617), (4952, 26015), (5203, 24760), (6190, 20812), (6809, 18920), (9460, 13618), (10406, 12380)]