160079920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 160

約数和(自身を含む): 499968000

約数和(自身を除く): 339888080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1999, 2002, 2288, 2860, 3080, 3640, 3998, 4004, 5005, 5720, 6160, 7280, 7996, 8008, 9995, 10010, 11440, 13993, 15992, 16016, 19990, 20020, 21989, 25987, 27986, 31984, 39980, 40040, 43978, 51974, 55972, 69965, 79960, 80080, 87956, 103948, 109945, 111944, 129935, 139930, 153923, 159920, 175912, 181909, 207896, 219890, 223888, 259870, 279860, 285857, 307846, 351824, 363818, 415792, 439780, 519740, 559720, 571714, 615692, 727636, 769615, 879560, 909545, 1039480, 1119440, 1143428, 1231384, 1429285, 1455272, 1539230, 1759120, 1819090, 2000999, 2078960, 2286856, 2462768, 2858570, 2910544, 3078460, 3638180, 4001998, 4573712, 5717140, 6156920, 7276360, 8003996, 10004995, 11434280, 12313840, 14552720, 16007992, 20009990, 22868560, 32015984, 40019980, 80039960, 160079920]

約数ペア:

[(1, 160079920), (2, 80039960), (4, 40019980), (5, 32015984), (7, 22868560), (8, 20009990), (10, 16007992), (11, 14552720), (13, 12313840), (14, 11434280), (16, 10004995), (20, 8003996), (22, 7276360), (26, 6156920), (28, 5717140), (35, 4573712), (40, 4001998), (44, 3638180), (52, 3078460), (55, 2910544), (56, 2858570), (65, 2462768), (70, 2286856), (77, 2078960), (80, 2000999), (88, 1819090), (91, 1759120), (104, 1539230), (110, 1455272), (112, 1429285), (130, 1231384), (140, 1143428), (143, 1119440), (154, 1039480), (176, 909545), (182, 879560), (208, 769615), (220, 727636), (260, 615692), (280, 571714), (286, 559720), (308, 519740), (364, 439780), (385, 415792), (440, 363818), (455, 351824), (520, 307846), (560, 285857), (572, 279860), (616, 259870), (715, 223888), (728, 219890), (770, 207896), (880, 181909), (910, 175912), (1001, 159920), (1040, 153923), (1144, 139930), (1232, 129935), (1430, 111944), (1456, 109945), (1540, 103948), (1820, 87956), (1999, 80080), (2002, 79960), (2288, 69965), (2860, 55972), (3080, 51974), (3640, 43978), (3998, 40040), (4004, 39980), (5005, 31984), (5720, 27986), (6160, 25987), (7280, 21989), (7996, 20020), (8008, 19990), (9995, 16016), (10010, 15992), (11440, 13993)]