213253320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2147

約数の個数: 128

約数和(自身を含む): 737280000

約数和(自身を除く): 524026680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 1999, 2540, 2667, 3048, 3556, 3810, 3998, 4445, 5080, 5334, 5997, 7112, 7620, 7996, 8890, 9995, 10668, 11994, 13335, 13993, 15240, 15992, 17780, 19990, 21336, 23988, 26670, 27986, 29985, 35560, 39980, 41979, 47976, 53340, 55972, 59970, 69965, 79960, 83958, 106680, 111944, 119940, 139930, 167916, 209895, 239880, 253873, 279860, 335832, 419790, 507746, 559720, 761619, 839580, 1015492, 1269365, 1523238, 1679160, 1777111, 2030984, 2538730, 3046476, 3554222, 3808095, 5077460, 5331333, 6092952, 7108444, 7616190, 8885555, 10154920, 10662666, 14216888, 15232380, 17771110, 21325332, 26656665, 30464760, 35542220, 42650664, 53313330, 71084440, 106626660, 213253320]

約数ペア:

[(1, 213253320), (2, 106626660), (3, 71084440), (4, 53313330), (5, 42650664), (6, 35542220), (7, 30464760), (8, 26656665), (10, 21325332), (12, 17771110), (14, 15232380), (15, 14216888), (20, 10662666), (21, 10154920), (24, 8885555), (28, 7616190), (30, 7108444), (35, 6092952), (40, 5331333), (42, 5077460), (56, 3808095), (60, 3554222), (70, 3046476), (84, 2538730), (105, 2030984), (120, 1777111), (127, 1679160), (140, 1523238), (168, 1269365), (210, 1015492), (254, 839580), (280, 761619), (381, 559720), (420, 507746), (508, 419790), (635, 335832), (762, 279860), (840, 253873), (889, 239880), (1016, 209895), (1270, 167916), (1524, 139930), (1778, 119940), (1905, 111944), (1999, 106680), (2540, 83958), (2667, 79960), (3048, 69965), (3556, 59970), (3810, 55972), (3998, 53340), (4445, 47976), (5080, 41979), (5334, 39980), (5997, 35560), (7112, 29985), (7620, 27986), (7996, 26670), (8890, 23988), (9995, 21336), (10668, 19990), (11994, 17780), (13335, 15992), (13993, 15240)]