25200840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1619

約数の個数: 128

約数和(自身を含む): 91008000

約数和(自身を除く): 65807160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1579, 1596, 1995, 2280, 2660, 3158, 3192, 3990, 4737, 5320, 6316, 7895, 7980, 9474, 11053, 12632, 15790, 15960, 18948, 22106, 23685, 30001, 31580, 33159, 37896, 44212, 47370, 55265, 60002, 63160, 66318, 88424, 90003, 94740, 110530, 120004, 132636, 150005, 165795, 180006, 189480, 210007, 221060, 240008, 265272, 300010, 331590, 360012, 420014, 442120, 450015, 600020, 630021, 663180, 720024, 840028, 900030, 1050035, 1200040, 1260042, 1326360, 1680056, 1800060, 2100070, 2520084, 3150105, 3600120, 4200140, 5040168, 6300210, 8400280, 12600420, 25200840]

約数ペア:

[(1, 25200840), (2, 12600420), (3, 8400280), (4, 6300210), (5, 5040168), (6, 4200140), (7, 3600120), (8, 3150105), (10, 2520084), (12, 2100070), (14, 1800060), (15, 1680056), (19, 1326360), (20, 1260042), (21, 1200040), (24, 1050035), (28, 900030), (30, 840028), (35, 720024), (38, 663180), (40, 630021), (42, 600020), (56, 450015), (57, 442120), (60, 420014), (70, 360012), (76, 331590), (84, 300010), (95, 265272), (105, 240008), (114, 221060), (120, 210007), (133, 189480), (140, 180006), (152, 165795), (168, 150005), (190, 132636), (210, 120004), (228, 110530), (266, 94740), (280, 90003), (285, 88424), (380, 66318), (399, 63160), (420, 60002), (456, 55265), (532, 47370), (570, 44212), (665, 37896), (760, 33159), (798, 31580), (840, 30001), (1064, 23685), (1140, 22106), (1330, 18948), (1579, 15960), (1596, 15790), (1995, 12632), (2280, 11053), (2660, 9474), (3158, 7980), (3192, 7895), (3990, 6316), (4737, 5320)]