68750220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 192

約数和(自身を含む): 250822656

約数和(自身を除く): 182072436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 55, 60, 66, 69, 70, 77, 84, 92, 105, 110, 115, 132, 138, 140, 154, 161, 165, 210, 220, 230, 231, 253, 276, 308, 322, 330, 345, 385, 420, 460, 462, 483, 506, 644, 647, 660, 690, 759, 770, 805, 924, 966, 1012, 1155, 1265, 1294, 1380, 1518, 1540, 1610, 1771, 1932, 1941, 2310, 2415, 2530, 2588, 3036, 3220, 3235, 3542, 3795, 3882, 4529, 4620, 4830, 5060, 5313, 6470, 7084, 7117, 7590, 7764, 8855, 9058, 9660, 9705, 10626, 12940, 13587, 14234, 14881, 15180, 17710, 18116, 19410, 21252, 21351, 22645, 26565, 27174, 28468, 29762, 35420, 35585, 38820, 42702, 44643, 45290, 49819, 53130, 54348, 59524, 67935, 71170, 74405, 85404, 89286, 90580, 99638, 104167, 106260, 106755, 135870, 142340, 148810, 149457, 163691, 178572, 199276, 208334, 213510, 223215, 249095, 271740, 297620, 298914, 312501, 327382, 416668, 427020, 446430, 491073, 498190, 520835, 597828, 625002, 654764, 747285, 818455, 892860, 982146, 996380, 1041670, 1145837, 1250004, 1494570, 1562505, 1636910, 1964292, 2083340, 2291674, 2455365, 2989140, 3125010, 3273820, 3437511, 4583348, 4910730, 5729185, 6250020, 6875022, 9821460, 11458370, 13750044, 17187555, 22916740, 34375110, 68750220]

約数ペア:

[(1, 68750220), (2, 34375110), (3, 22916740), (4, 17187555), (5, 13750044), (6, 11458370), (7, 9821460), (10, 6875022), (11, 6250020), (12, 5729185), (14, 4910730), (15, 4583348), (20, 3437511), (21, 3273820), (22, 3125010), (23, 2989140), (28, 2455365), (30, 2291674), (33, 2083340), (35, 1964292), (42, 1636910), (44, 1562505), (46, 1494570), (55, 1250004), (60, 1145837), (66, 1041670), (69, 996380), (70, 982146), (77, 892860), (84, 818455), (92, 747285), (105, 654764), (110, 625002), (115, 597828), (132, 520835), (138, 498190), (140, 491073), (154, 446430), (161, 427020), (165, 416668), (210, 327382), (220, 312501), (230, 298914), (231, 297620), (253, 271740), (276, 249095), (308, 223215), (322, 213510), (330, 208334), (345, 199276), (385, 178572), (420, 163691), (460, 149457), (462, 148810), (483, 142340), (506, 135870), (644, 106755), (647, 106260), (660, 104167), (690, 99638), (759, 90580), (770, 89286), (805, 85404), (924, 74405), (966, 71170), (1012, 67935), (1155, 59524), (1265, 54348), (1294, 53130), (1380, 49819), (1518, 45290), (1540, 44643), (1610, 42702), (1771, 38820), (1932, 35585), (1941, 35420), (2310, 29762), (2415, 28468), (2530, 27174), (2588, 26565), (3036, 22645), (3220, 21351), (3235, 21252), (3542, 19410), (3795, 18116), (3882, 17710), (4529, 15180), (4620, 14881), (4830, 14234), (5060, 13587), (5313, 12940), (6470, 10626), (7084, 9705), (7117, 9660), (7590, 9058), (7764, 8855)]