161613480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 556634880

約数和(自身を除く): 395021400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 421, 457, 840, 842, 914, 1263, 1371, 1684, 1828, 2105, 2285, 2526, 2742, 2947, 3199, 3368, 3656, 4210, 4570, 5052, 5484, 5894, 6315, 6398, 6855, 8420, 8841, 9140, 9597, 10104, 10968, 11788, 12630, 12796, 13710, 14735, 15995, 16840, 17682, 18280, 19194, 23576, 25260, 25592, 27420, 29470, 31990, 35364, 38388, 44205, 47985, 50520, 54840, 58940, 63980, 70728, 76776, 88410, 95970, 117880, 127960, 176820, 191940, 192397, 353640, 383880, 384794, 577191, 769588, 961985, 1154382, 1346779, 1539176, 1923970, 2308764, 2693558, 2885955, 3847940, 4040337, 4617528, 5387116, 5771910, 6733895, 7695880, 8080674, 10774232, 11543820, 13467790, 16161348, 20201685, 23087640, 26935580, 32322696, 40403370, 53871160, 80806740, 161613480]

約数ペア:

[(1, 161613480), (2, 80806740), (3, 53871160), (4, 40403370), (5, 32322696), (6, 26935580), (7, 23087640), (8, 20201685), (10, 16161348), (12, 13467790), (14, 11543820), (15, 10774232), (20, 8080674), (21, 7695880), (24, 6733895), (28, 5771910), (30, 5387116), (35, 4617528), (40, 4040337), (42, 3847940), (56, 2885955), (60, 2693558), (70, 2308764), (84, 1923970), (105, 1539176), (120, 1346779), (140, 1154382), (168, 961985), (210, 769588), (280, 577191), (420, 384794), (421, 383880), (457, 353640), (840, 192397), (842, 191940), (914, 176820), (1263, 127960), (1371, 117880), (1684, 95970), (1828, 88410), (2105, 76776), (2285, 70728), (2526, 63980), (2742, 58940), (2947, 54840), (3199, 50520), (3368, 47985), (3656, 44205), (4210, 38388), (4570, 35364), (5052, 31990), (5484, 29470), (5894, 27420), (6315, 25592), (6398, 25260), (6855, 23576), (8420, 19194), (8841, 18280), (9140, 17682), (9597, 16840), (10104, 15995), (10968, 14735), (11788, 13710), (12630, 12796)]