164557680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 160

約数和(自身を含む): 595200000

約数和(自身を除く): 430642320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 1999, 2058, 2352, 2744, 2940, 3430, 3920, 3998, 4116, 5145, 5488, 5880, 5997, 6860, 7996, 8232, 9995, 10290, 11760, 11994, 13720, 13993, 15992, 16464, 19990, 20580, 23988, 27440, 27986, 29985, 31984, 39980, 41160, 41979, 47976, 55972, 59970, 69965, 79960, 82320, 83958, 95952, 97951, 111944, 119940, 139930, 159920, 167916, 195902, 209895, 223888, 239880, 279860, 293853, 335832, 391804, 419790, 479760, 489755, 559720, 587706, 671664, 685657, 783608, 839580, 979510, 1119440, 1175412, 1371314, 1469265, 1567216, 1679160, 1959020, 2056971, 2350824, 2742628, 2938530, 3358320, 3428285, 3918040, 4113942, 4701648, 5485256, 5877060, 6856570, 7836080, 8227884, 10284855, 10970512, 11754120, 13713140, 16455768, 20569710, 23508240, 27426280, 32911536, 41139420, 54852560, 82278840, 164557680]

約数ペア:

[(1, 164557680), (2, 82278840), (3, 54852560), (4, 41139420), (5, 32911536), (6, 27426280), (7, 23508240), (8, 20569710), (10, 16455768), (12, 13713140), (14, 11754120), (15, 10970512), (16, 10284855), (20, 8227884), (21, 7836080), (24, 6856570), (28, 5877060), (30, 5485256), (35, 4701648), (40, 4113942), (42, 3918040), (48, 3428285), (49, 3358320), (56, 2938530), (60, 2742628), (70, 2350824), (80, 2056971), (84, 1959020), (98, 1679160), (105, 1567216), (112, 1469265), (120, 1371314), (140, 1175412), (147, 1119440), (168, 979510), (196, 839580), (210, 783608), (240, 685657), (245, 671664), (280, 587706), (294, 559720), (336, 489755), (343, 479760), (392, 419790), (420, 391804), (490, 335832), (560, 293853), (588, 279860), (686, 239880), (735, 223888), (784, 209895), (840, 195902), (980, 167916), (1029, 159920), (1176, 139930), (1372, 119940), (1470, 111944), (1680, 97951), (1715, 95952), (1960, 83958), (1999, 82320), (2058, 79960), (2352, 69965), (2744, 59970), (2940, 55972), (3430, 47976), (3920, 41979), (3998, 41160), (4116, 39980), (5145, 31984), (5488, 29985), (5880, 27986), (5997, 27440), (6860, 23988), (7996, 20580), (8232, 19990), (9995, 16464), (10290, 15992), (11760, 13993), (11994, 13720)]