79195520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 208202400

約数和(自身を除く): 129006880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 251, 272, 290, 320, 340, 464, 493, 502, 544, 580, 640, 680, 928, 986, 1004, 1088, 1160, 1255, 1360, 1856, 1972, 2008, 2176, 2320, 2465, 2510, 2720, 3712, 3944, 4016, 4267, 4640, 4930, 5020, 5440, 7279, 7888, 8032, 8534, 9280, 9860, 10040, 10880, 14558, 15776, 16064, 17068, 18560, 19720, 20080, 21335, 29116, 31552, 32128, 34136, 36395, 39440, 40160, 42670, 58232, 63104, 68272, 72790, 78880, 80320, 85340, 116464, 123743, 136544, 145580, 157760, 160640, 170680, 232928, 247486, 273088, 291160, 315520, 341360, 465856, 494972, 546176, 582320, 618715, 682720, 931712, 989944, 1164640, 1237430, 1365440, 1979888, 2329280, 2474860, 2730880, 3959776, 4658560, 4949720, 7919552, 9899440, 15839104, 19798880, 39597760, 79195520]

約数ペア:

[(1, 79195520), (2, 39597760), (4, 19798880), (5, 15839104), (8, 9899440), (10, 7919552), (16, 4949720), (17, 4658560), (20, 3959776), (29, 2730880), (32, 2474860), (34, 2329280), (40, 1979888), (58, 1365440), (64, 1237430), (68, 1164640), (80, 989944), (85, 931712), (116, 682720), (128, 618715), (136, 582320), (145, 546176), (160, 494972), (170, 465856), (232, 341360), (251, 315520), (272, 291160), (290, 273088), (320, 247486), (340, 232928), (464, 170680), (493, 160640), (502, 157760), (544, 145580), (580, 136544), (640, 123743), (680, 116464), (928, 85340), (986, 80320), (1004, 78880), (1088, 72790), (1160, 68272), (1255, 63104), (1360, 58232), (1856, 42670), (1972, 40160), (2008, 39440), (2176, 36395), (2320, 34136), (2465, 32128), (2510, 31552), (2720, 29116), (3712, 21335), (3944, 20080), (4016, 19720), (4267, 18560), (4640, 17068), (4930, 16064), (5020, 15776), (5440, 14558), (7279, 10880), (7888, 10040), (8032, 9860), (8534, 9280)]