64997120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 172186560

約数和(自身を除く): 107189440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 103, 116, 128, 136, 145, 160, 170, 206, 232, 256, 272, 290, 320, 340, 412, 464, 493, 515, 544, 580, 640, 680, 824, 928, 986, 1030, 1088, 1160, 1280, 1360, 1648, 1751, 1856, 1972, 2060, 2176, 2320, 2465, 2720, 2987, 3296, 3502, 3712, 3944, 4120, 4352, 4640, 4930, 5440, 5974, 6592, 7004, 7424, 7888, 8240, 8755, 9280, 9860, 10880, 11948, 13184, 14008, 14935, 15776, 16480, 17510, 18560, 19720, 21760, 23896, 26368, 28016, 29870, 31552, 32960, 35020, 37120, 39440, 47792, 50779, 56032, 59740, 63104, 65920, 70040, 78880, 95584, 101558, 112064, 119480, 126208, 131840, 140080, 157760, 191168, 203116, 224128, 238960, 253895, 280160, 315520, 382336, 406232, 448256, 477920, 507790, 560320, 631040, 764672, 812464, 955840, 1015580, 1120640, 1624928, 1911680, 2031160, 2241280, 3249856, 3823360, 4062320, 6499712, 8124640, 12999424, 16249280, 32498560, 64997120]

約数ペア:

[(1, 64997120), (2, 32498560), (4, 16249280), (5, 12999424), (8, 8124640), (10, 6499712), (16, 4062320), (17, 3823360), (20, 3249856), (29, 2241280), (32, 2031160), (34, 1911680), (40, 1624928), (58, 1120640), (64, 1015580), (68, 955840), (80, 812464), (85, 764672), (103, 631040), (116, 560320), (128, 507790), (136, 477920), (145, 448256), (160, 406232), (170, 382336), (206, 315520), (232, 280160), (256, 253895), (272, 238960), (290, 224128), (320, 203116), (340, 191168), (412, 157760), (464, 140080), (493, 131840), (515, 126208), (544, 119480), (580, 112064), (640, 101558), (680, 95584), (824, 78880), (928, 70040), (986, 65920), (1030, 63104), (1088, 59740), (1160, 56032), (1280, 50779), (1360, 47792), (1648, 39440), (1751, 37120), (1856, 35020), (1972, 32960), (2060, 31552), (2176, 29870), (2320, 28016), (2465, 26368), (2720, 23896), (2987, 21760), (3296, 19720), (3502, 18560), (3712, 17510), (3944, 16480), (4120, 15776), (4352, 14935), (4640, 14008), (4930, 13184), (5440, 11948), (5974, 10880), (6592, 9860), (7004, 9280), (7424, 8755), (7888, 8240)]