204645720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1489

約数の個数: 128

約数和(自身を含む): 653184000

約数和(自身を除く): 448538280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 138, 159, 184, 212, 230, 265, 276, 318, 345, 424, 460, 530, 552, 636, 690, 795, 920, 1060, 1219, 1272, 1380, 1399, 1590, 2120, 2438, 2760, 2798, 3180, 3657, 4197, 4876, 5596, 6095, 6360, 6995, 7314, 8394, 9752, 11192, 12190, 13990, 14628, 16788, 18285, 20985, 24380, 27980, 29256, 32177, 33576, 36570, 41970, 48760, 55960, 64354, 73140, 74147, 83940, 96531, 128708, 146280, 148294, 160885, 167880, 193062, 222441, 257416, 296588, 321770, 370735, 386124, 444882, 482655, 593176, 643540, 741470, 772248, 889764, 965310, 1112205, 1287080, 1482940, 1705381, 1779528, 1930620, 2224410, 2965880, 3410762, 3861240, 4448820, 5116143, 6821524, 8526905, 8897640, 10232286, 13643048, 17053810, 20464572, 25580715, 34107620, 40929144, 51161430, 68215240, 102322860, 204645720]

約数ペア:

[(1, 204645720), (2, 102322860), (3, 68215240), (4, 51161430), (5, 40929144), (6, 34107620), (8, 25580715), (10, 20464572), (12, 17053810), (15, 13643048), (20, 10232286), (23, 8897640), (24, 8526905), (30, 6821524), (40, 5116143), (46, 4448820), (53, 3861240), (60, 3410762), (69, 2965880), (92, 2224410), (106, 1930620), (115, 1779528), (120, 1705381), (138, 1482940), (159, 1287080), (184, 1112205), (212, 965310), (230, 889764), (265, 772248), (276, 741470), (318, 643540), (345, 593176), (424, 482655), (460, 444882), (530, 386124), (552, 370735), (636, 321770), (690, 296588), (795, 257416), (920, 222441), (1060, 193062), (1219, 167880), (1272, 160885), (1380, 148294), (1399, 146280), (1590, 128708), (2120, 96531), (2438, 83940), (2760, 74147), (2798, 73140), (3180, 64354), (3657, 55960), (4197, 48760), (4876, 41970), (5596, 36570), (6095, 33576), (6360, 32177), (6995, 29256), (7314, 27980), (8394, 24380), (9752, 20985), (11192, 18285), (12190, 16788), (13990, 14628)]