427432880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 160

約数和(自身を含む): 1193078400

約数和(自身を除く): 765645520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 343, 370, 392, 421, 490, 518, 560, 592, 686, 740, 784, 842, 980, 1036, 1295, 1372, 1480, 1684, 1715, 1813, 1960, 2072, 2105, 2590, 2744, 2947, 2960, 3368, 3430, 3626, 3920, 4144, 4210, 5180, 5488, 5894, 6736, 6860, 7252, 8420, 9065, 10360, 11788, 12691, 13720, 14504, 14735, 15577, 16840, 18130, 20629, 20720, 23576, 25382, 27440, 29008, 29470, 31154, 33680, 36260, 41258, 47152, 50764, 58940, 62308, 63455, 72520, 77885, 82516, 101528, 103145, 109039, 117880, 124616, 126910, 144403, 145040, 155770, 165032, 203056, 206290, 218078, 235760, 249232, 253820, 288806, 311540, 330064, 412580, 436156, 507640, 545195, 577612, 623080, 722015, 763273, 825160, 872312, 1015280, 1090390, 1155224, 1246160, 1444030, 1526546, 1650320, 1744624, 2180780, 2310448, 2888060, 3053092, 3816365, 4361560, 5342911, 5776120, 6106184, 7632730, 8723120, 10685822, 11552240, 12212368, 15265460, 21371644, 26714555, 30530920, 42743288, 53429110, 61061840, 85486576, 106858220, 213716440, 427432880]

約数ペア:

[(1, 427432880), (2, 213716440), (4, 106858220), (5, 85486576), (7, 61061840), (8, 53429110), (10, 42743288), (14, 30530920), (16, 26714555), (20, 21371644), (28, 15265460), (35, 12212368), (37, 11552240), (40, 10685822), (49, 8723120), (56, 7632730), (70, 6106184), (74, 5776120), (80, 5342911), (98, 4361560), (112, 3816365), (140, 3053092), (148, 2888060), (185, 2310448), (196, 2180780), (245, 1744624), (259, 1650320), (280, 1526546), (296, 1444030), (343, 1246160), (370, 1155224), (392, 1090390), (421, 1015280), (490, 872312), (518, 825160), (560, 763273), (592, 722015), (686, 623080), (740, 577612), (784, 545195), (842, 507640), (980, 436156), (1036, 412580), (1295, 330064), (1372, 311540), (1480, 288806), (1684, 253820), (1715, 249232), (1813, 235760), (1960, 218078), (2072, 206290), (2105, 203056), (2590, 165032), (2744, 155770), (2947, 145040), (2960, 144403), (3368, 126910), (3430, 124616), (3626, 117880), (3920, 109039), (4144, 103145), (4210, 101528), (5180, 82516), (5488, 77885), (5894, 72520), (6736, 63455), (6860, 62308), (7252, 58940), (8420, 50764), (9065, 47152), (10360, 41258), (11788, 36260), (12691, 33680), (13720, 31154), (14504, 29470), (14735, 29008), (15577, 27440), (16840, 25382), (18130, 23576), (20629, 20720)]