30013840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 76535280

約数和(自身を除く): 46521440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 761, 986, 1160, 1360, 1522, 1972, 2320, 2465, 3044, 3805, 3944, 4930, 6088, 7610, 7888, 9860, 12176, 12937, 15220, 19720, 22069, 25874, 30440, 39440, 44138, 51748, 60880, 64685, 88276, 103496, 110345, 129370, 176552, 206992, 220690, 258740, 353104, 375173, 441380, 517480, 750346, 882760, 1034960, 1500692, 1765520, 1875865, 3001384, 3751730, 6002768, 7503460, 15006920, 30013840]

約数ペア:

[(1, 30013840), (2, 15006920), (4, 7503460), (5, 6002768), (8, 3751730), (10, 3001384), (16, 1875865), (17, 1765520), (20, 1500692), (29, 1034960), (34, 882760), (40, 750346), (58, 517480), (68, 441380), (80, 375173), (85, 353104), (116, 258740), (136, 220690), (145, 206992), (170, 176552), (232, 129370), (272, 110345), (290, 103496), (340, 88276), (464, 64685), (493, 60880), (580, 51748), (680, 44138), (761, 39440), (986, 30440), (1160, 25874), (1360, 22069), (1522, 19720), (1972, 15220), (2320, 12937), (2465, 12176), (3044, 9860), (3805, 7888), (3944, 7610), (4930, 6088)]