159943840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:939

約数の個数: 144

約数和(自身を含む): 459188352

約数和(自身を除く): 299244512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 887, 920, 980, 1120, 1127, 1288, 1568, 1610, 1774, 1840, 1960, 2254, 2576, 3220, 3548, 3680, 3920, 4435, 4508, 5152, 5635, 6209, 6440, 7096, 7840, 8870, 9016, 11270, 12418, 12880, 14192, 17740, 18032, 20401, 22540, 24836, 25760, 28384, 31045, 35480, 36064, 40802, 43463, 45080, 49672, 62090, 70960, 81604, 86926, 90160, 99344, 102005, 124180, 141920, 142807, 163208, 173852, 180320, 198688, 204010, 217315, 248360, 285614, 326416, 347704, 408020, 434630, 496720, 571228, 652832, 695408, 714035, 816040, 869260, 993440, 999649, 1142456, 1390816, 1428070, 1632080, 1738520, 1999298, 2284912, 2856140, 3264160, 3477040, 3998596, 4569824, 4998245, 5712280, 6954080, 7997192, 9996490, 11424560, 15994384, 19992980, 22849120, 31988768, 39985960, 79971920, 159943840]

約数ペア:

[(1, 159943840), (2, 79971920), (4, 39985960), (5, 31988768), (7, 22849120), (8, 19992980), (10, 15994384), (14, 11424560), (16, 9996490), (20, 7997192), (23, 6954080), (28, 5712280), (32, 4998245), (35, 4569824), (40, 3998596), (46, 3477040), (49, 3264160), (56, 2856140), (70, 2284912), (80, 1999298), (92, 1738520), (98, 1632080), (112, 1428070), (115, 1390816), (140, 1142456), (160, 999649), (161, 993440), (184, 869260), (196, 816040), (224, 714035), (230, 695408), (245, 652832), (280, 571228), (322, 496720), (368, 434630), (392, 408020), (460, 347704), (490, 326416), (560, 285614), (644, 248360), (736, 217315), (784, 204010), (805, 198688), (887, 180320), (920, 173852), (980, 163208), (1120, 142807), (1127, 141920), (1288, 124180), (1568, 102005), (1610, 99344), (1774, 90160), (1840, 86926), (1960, 81604), (2254, 70960), (2576, 62090), (3220, 49672), (3548, 45080), (3680, 43463), (3920, 40802), (4435, 36064), (4508, 35480), (5152, 31045), (5635, 28384), (6209, 25760), (6440, 24836), (7096, 22540), (7840, 20401), (8870, 18032), (9016, 17740), (11270, 14192), (12418, 12880)]