2051239125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:568

約数の個数: 128

約数和(自身を含む): 3973971456

約数和(自身を除く): 1922732331

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 53, 65, 75, 85, 125, 159, 195, 221, 255, 265, 325, 375, 425, 467, 663, 689, 795, 901, 975, 1105, 1275, 1325, 1401, 1625, 2067, 2125, 2335, 2703, 3315, 3445, 3975, 4505, 4875, 5525, 6071, 6375, 6625, 7005, 7939, 10335, 11675, 11713, 13515, 16575, 17225, 18213, 19875, 22525, 23817, 24751, 27625, 30355, 35025, 35139, 39695, 51675, 58375, 58565, 67575, 74253, 82875, 86125, 91065, 103207, 112625, 119085, 123755, 151775, 175125, 175695, 198475, 258375, 292825, 309621, 321763, 337875, 371265, 420767, 455325, 516035, 595425, 618775, 758875, 878475, 965289, 992375, 1262301, 1464125, 1548105, 1608815, 1856325, 2103835, 2276625, 2580175, 2977125, 3093875, 4392375, 4826445, 5469971, 6311505, 7740525, 8044075, 9281625, 10519175, 12900875, 16409913, 24132225, 27349855, 31557525, 38702625, 40220375, 52595875, 82049565, 120661125, 136749275, 157787625, 410247825, 683746375, 2051239125]

約数ペア:

[(1, 2051239125), (3, 683746375), (5, 410247825), (13, 157787625), (15, 136749275), (17, 120661125), (25, 82049565), (39, 52595875), (51, 40220375), (53, 38702625), (65, 31557525), (75, 27349855), (85, 24132225), (125, 16409913), (159, 12900875), (195, 10519175), (221, 9281625), (255, 8044075), (265, 7740525), (325, 6311505), (375, 5469971), (425, 4826445), (467, 4392375), (663, 3093875), (689, 2977125), (795, 2580175), (901, 2276625), (975, 2103835), (1105, 1856325), (1275, 1608815), (1325, 1548105), (1401, 1464125), (1625, 1262301), (2067, 992375), (2125, 965289), (2335, 878475), (2703, 758875), (3315, 618775), (3445, 595425), (3975, 516035), (4505, 455325), (4875, 420767), (5525, 371265), (6071, 337875), (6375, 321763), (6625, 309621), (7005, 292825), (7939, 258375), (10335, 198475), (11675, 175695), (11713, 175125), (13515, 151775), (16575, 123755), (17225, 119085), (18213, 112625), (19875, 103207), (22525, 91065), (23817, 86125), (24751, 82875), (27625, 74253), (30355, 67575), (35025, 58565), (35139, 58375), (39695, 51675)]