642336408

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 2060847360

約数和(自身を除く): 1418510952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 107, 126, 129, 168, 172, 214, 252, 258, 277, 301, 321, 344, 387, 428, 504, 516, 554, 602, 642, 749, 774, 831, 856, 903, 963, 1032, 1108, 1204, 1284, 1498, 1548, 1662, 1806, 1926, 1939, 2216, 2247, 2408, 2493, 2568, 2709, 2996, 3096, 3324, 3612, 3852, 3878, 4494, 4601, 4986, 5418, 5817, 5992, 6648, 6741, 7224, 7704, 7756, 8988, 9202, 9972, 10836, 11634, 11911, 13482, 13803, 15512, 17451, 17976, 18404, 19944, 21672, 23268, 23822, 26964, 27606, 29639, 32207, 34902, 35733, 36808, 41409, 46536, 47644, 53928, 55212, 59278, 64414, 69804, 71466, 82818, 83377, 88917, 95288, 96621, 107199, 110424, 118556, 128828, 139608, 142932, 165636, 166754, 177834, 193242, 207473, 214398, 237112, 250131, 257656, 266751, 285864, 289863, 331272, 333508, 355668, 386484, 414946, 428796, 500262, 533502, 579726, 622419, 667016, 711336, 750393, 772968, 829892, 857592, 1000524, 1067004, 1159452, 1244838, 1274477, 1500786, 1659784, 1867257, 2001048, 2134008, 2318904, 2489676, 2548954, 3001572, 3734514, 3823431, 4979352, 5097908, 6003144, 7469028, 7646862, 8921339, 10195816, 11470293, 14938056, 15293724, 17842678, 22940586, 26764017, 30587448, 35685356, 45881172, 53528034, 71370712, 80292051, 91762344, 107056068, 160584102, 214112136, 321168204, 642336408]

約数ペア:

[(1, 642336408), (2, 321168204), (3, 214112136), (4, 160584102), (6, 107056068), (7, 91762344), (8, 80292051), (9, 71370712), (12, 53528034), (14, 45881172), (18, 35685356), (21, 30587448), (24, 26764017), (28, 22940586), (36, 17842678), (42, 15293724), (43, 14938056), (56, 11470293), (63, 10195816), (72, 8921339), (84, 7646862), (86, 7469028), (107, 6003144), (126, 5097908), (129, 4979352), (168, 3823431), (172, 3734514), (214, 3001572), (252, 2548954), (258, 2489676), (277, 2318904), (301, 2134008), (321, 2001048), (344, 1867257), (387, 1659784), (428, 1500786), (504, 1274477), (516, 1244838), (554, 1159452), (602, 1067004), (642, 1000524), (749, 857592), (774, 829892), (831, 772968), (856, 750393), (903, 711336), (963, 667016), (1032, 622419), (1108, 579726), (1204, 533502), (1284, 500262), (1498, 428796), (1548, 414946), (1662, 386484), (1806, 355668), (1926, 333508), (1939, 331272), (2216, 289863), (2247, 285864), (2408, 266751), (2493, 257656), (2568, 250131), (2709, 237112), (2996, 214398), (3096, 207473), (3324, 193242), (3612, 177834), (3852, 166754), (3878, 165636), (4494, 142932), (4601, 139608), (4986, 128828), (5418, 118556), (5817, 110424), (5992, 107199), (6648, 96621), (6741, 95288), (7224, 88917), (7704, 83377), (7756, 82818), (8988, 71466), (9202, 69804), (9972, 64414), (10836, 59278), (11634, 55212), (11911, 53928), (13482, 47644), (13803, 46536), (15512, 41409), (17451, 36808), (17976, 35733), (18404, 34902), (19944, 32207), (21672, 29639), (23268, 27606), (23822, 26964)]