79928016

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 120

約数和(自身を含む): 254448000

約数和(自身を除く): 174519984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 49, 51, 56, 68, 84, 98, 102, 112, 119, 136, 147, 168, 196, 204, 238, 272, 294, 336, 357, 392, 408, 476, 588, 714, 784, 816, 833, 952, 1176, 1428, 1666, 1904, 1999, 2352, 2499, 2856, 3332, 3998, 4998, 5712, 5997, 6664, 7996, 9996, 11994, 13328, 13993, 15992, 19992, 23988, 27986, 31984, 33983, 39984, 41979, 47976, 55972, 67966, 83958, 95952, 97951, 101949, 111944, 135932, 167916, 195902, 203898, 223888, 237881, 271864, 293853, 335832, 391804, 407796, 475762, 543728, 587706, 671664, 713643, 783608, 815592, 951524, 1175412, 1427286, 1567216, 1631184, 1665167, 1903048, 2350824, 2854572, 3330334, 3806096, 4701648, 4995501, 5709144, 6660668, 9991002, 11418288, 13321336, 19982004, 26642672, 39964008, 79928016]

約数ペア:

[(1, 79928016), (2, 39964008), (3, 26642672), (4, 19982004), (6, 13321336), (7, 11418288), (8, 9991002), (12, 6660668), (14, 5709144), (16, 4995501), (17, 4701648), (21, 3806096), (24, 3330334), (28, 2854572), (34, 2350824), (42, 1903048), (48, 1665167), (49, 1631184), (51, 1567216), (56, 1427286), (68, 1175412), (84, 951524), (98, 815592), (102, 783608), (112, 713643), (119, 671664), (136, 587706), (147, 543728), (168, 475762), (196, 407796), (204, 391804), (238, 335832), (272, 293853), (294, 271864), (336, 237881), (357, 223888), (392, 203898), (408, 195902), (476, 167916), (588, 135932), (714, 111944), (784, 101949), (816, 97951), (833, 95952), (952, 83958), (1176, 67966), (1428, 55972), (1666, 47976), (1904, 41979), (1999, 39984), (2352, 33983), (2499, 31984), (2856, 27986), (3332, 23988), (3998, 19992), (4998, 15992), (5712, 13993), (5997, 13328), (6664, 11994), (7996, 9996)]