128529520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 160

約数和(自身を含む): 377975808

約数和(自身を除く): 249446288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 368, 391, 460, 476, 560, 587, 595, 644, 680, 782, 805, 920, 952, 1174, 1190, 1288, 1360, 1564, 1610, 1840, 1904, 1955, 2348, 2380, 2576, 2737, 2935, 3128, 3220, 3910, 4109, 4696, 4760, 5474, 5870, 6256, 6440, 7820, 8218, 9392, 9520, 9979, 10948, 11740, 12880, 13501, 13685, 15640, 16436, 19958, 20545, 21896, 23480, 27002, 27370, 31280, 32872, 39916, 41090, 43792, 46960, 49895, 54004, 54740, 65744, 67505, 69853, 79832, 82180, 94507, 99790, 108008, 109480, 135010, 139706, 159664, 164360, 189014, 199580, 216016, 218960, 229517, 270020, 279412, 328720, 349265, 378028, 399160, 459034, 472535, 540040, 558824, 698530, 756056, 798320, 918068, 945070, 1080080, 1117648, 1147585, 1397060, 1512112, 1606619, 1836136, 1890140, 2295170, 2794120, 3213238, 3672272, 3780280, 4590340, 5588240, 6426476, 7560560, 8033095, 9180680, 12852952, 16066190, 18361360, 25705904, 32132380, 64264760, 128529520]

約数ペア:

[(1, 128529520), (2, 64264760), (4, 32132380), (5, 25705904), (7, 18361360), (8, 16066190), (10, 12852952), (14, 9180680), (16, 8033095), (17, 7560560), (20, 6426476), (23, 5588240), (28, 4590340), (34, 3780280), (35, 3672272), (40, 3213238), (46, 2794120), (56, 2295170), (68, 1890140), (70, 1836136), (80, 1606619), (85, 1512112), (92, 1397060), (112, 1147585), (115, 1117648), (119, 1080080), (136, 945070), (140, 918068), (161, 798320), (170, 756056), (184, 698530), (230, 558824), (238, 540040), (272, 472535), (280, 459034), (322, 399160), (340, 378028), (368, 349265), (391, 328720), (460, 279412), (476, 270020), (560, 229517), (587, 218960), (595, 216016), (644, 199580), (680, 189014), (782, 164360), (805, 159664), (920, 139706), (952, 135010), (1174, 109480), (1190, 108008), (1288, 99790), (1360, 94507), (1564, 82180), (1610, 79832), (1840, 69853), (1904, 67505), (1955, 65744), (2348, 54740), (2380, 54004), (2576, 49895), (2737, 46960), (2935, 43792), (3128, 41090), (3220, 39916), (3910, 32872), (4109, 31280), (4696, 27370), (4760, 27002), (5474, 23480), (5870, 21896), (6256, 20545), (6440, 19958), (7820, 16436), (8218, 15640), (9392, 13685), (9520, 13501), (9979, 12880), (10948, 11740)]