217840560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1171

約数の個数: 160

約数和(自身を含む): 778616832

約数和(自身を除く): 560776272

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, 56, 60, 70, 80, 84, 105, 112, 120, 127, 140, 168, 210, 240, 254, 280, 336, 381, 420, 508, 560, 635, 762, 840, 889, 1016, 1021, 1270, 1524, 1680, 1778, 1905, 2032, 2042, 2540, 2667, 3048, 3063, 3556, 3810, 4084, 4445, 5080, 5105, 5334, 6096, 6126, 7112, 7147, 7620, 8168, 8890, 10160, 10210, 10668, 12252, 13335, 14224, 14294, 15240, 15315, 16336, 17780, 20420, 21336, 21441, 24504, 26670, 28588, 30480, 30630, 35560, 35735, 40840, 42672, 42882, 49008, 53340, 57176, 61260, 71120, 71470, 81680, 85764, 106680, 107205, 114352, 122520, 129667, 142940, 171528, 213360, 214410, 245040, 259334, 285880, 343056, 389001, 428820, 518668, 571760, 648335, 778002, 857640, 907669, 1037336, 1296670, 1556004, 1715280, 1815338, 1945005, 2074672, 2593340, 2723007, 3112008, 3630676, 3890010, 4538345, 5186680, 5446014, 6224016, 7261352, 7780020, 9076690, 10373360, 10892028, 13615035, 14522704, 15560040, 18153380, 21784056, 27230070, 31120080, 36306760, 43568112, 54460140, 72613520, 108920280, 217840560]

約数ペア:

[(1, 217840560), (2, 108920280), (3, 72613520), (4, 54460140), (5, 43568112), (6, 36306760), (7, 31120080), (8, 27230070), (10, 21784056), (12, 18153380), (14, 15560040), (15, 14522704), (16, 13615035), (20, 10892028), (21, 10373360), (24, 9076690), (28, 7780020), (30, 7261352), (35, 6224016), (40, 5446014), (42, 5186680), (48, 4538345), (56, 3890010), (60, 3630676), (70, 3112008), (80, 2723007), (84, 2593340), (105, 2074672), (112, 1945005), (120, 1815338), (127, 1715280), (140, 1556004), (168, 1296670), (210, 1037336), (240, 907669), (254, 857640), (280, 778002), (336, 648335), (381, 571760), (420, 518668), (508, 428820), (560, 389001), (635, 343056), (762, 285880), (840, 259334), (889, 245040), (1016, 214410), (1021, 213360), (1270, 171528), (1524, 142940), (1680, 129667), (1778, 122520), (1905, 114352), (2032, 107205), (2042, 106680), (2540, 85764), (2667, 81680), (3048, 71470), (3063, 71120), (3556, 61260), (3810, 57176), (4084, 53340), (4445, 49008), (5080, 42882), (5105, 42672), (5334, 40840), (6096, 35735), (6126, 35560), (7112, 30630), (7147, 30480), (7620, 28588), (8168, 26670), (8890, 24504), (10160, 21441), (10210, 21336), (10668, 20420), (12252, 17780), (13335, 16336), (14224, 15315), (14294, 15240)]