77283780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 255257856

約数和(自身を除く): 177974076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 210, 245, 271, 291, 294, 388, 420, 485, 490, 542, 582, 588, 679, 735, 813, 970, 980, 1084, 1164, 1355, 1358, 1455, 1470, 1626, 1897, 1940, 2037, 2710, 2716, 2910, 2940, 3252, 3395, 3794, 4065, 4074, 4753, 5420, 5691, 5820, 6790, 7588, 8130, 8148, 9485, 9506, 10185, 11382, 13279, 13580, 14259, 16260, 18970, 19012, 20370, 22764, 23765, 26287, 26558, 28455, 28518, 37940, 39837, 40740, 47530, 52574, 53116, 56910, 57036, 66395, 71295, 78861, 79674, 95060, 105148, 113820, 131435, 132790, 142590, 157722, 159348, 184009, 199185, 262870, 265580, 285180, 315444, 368018, 394305, 398370, 525740, 552027, 736036, 788610, 796740, 920045, 1104054, 1288063, 1577220, 1840090, 2208108, 2576126, 2760135, 3680180, 3864189, 5152252, 5520270, 6440315, 7728378, 11040540, 12880630, 15456756, 19320945, 25761260, 38641890, 77283780]

約数ペア:

[(1, 77283780), (2, 38641890), (3, 25761260), (4, 19320945), (5, 15456756), (6, 12880630), (7, 11040540), (10, 7728378), (12, 6440315), (14, 5520270), (15, 5152252), (20, 3864189), (21, 3680180), (28, 2760135), (30, 2576126), (35, 2208108), (42, 1840090), (49, 1577220), (60, 1288063), (70, 1104054), (84, 920045), (97, 796740), (98, 788610), (105, 736036), (140, 552027), (147, 525740), (194, 398370), (196, 394305), (210, 368018), (245, 315444), (271, 285180), (291, 265580), (294, 262870), (388, 199185), (420, 184009), (485, 159348), (490, 157722), (542, 142590), (582, 132790), (588, 131435), (679, 113820), (735, 105148), (813, 95060), (970, 79674), (980, 78861), (1084, 71295), (1164, 66395), (1355, 57036), (1358, 56910), (1455, 53116), (1470, 52574), (1626, 47530), (1897, 40740), (1940, 39837), (2037, 37940), (2710, 28518), (2716, 28455), (2910, 26558), (2940, 26287), (3252, 23765), (3395, 22764), (3794, 20370), (4065, 19012), (4074, 18970), (4753, 16260), (5420, 14259), (5691, 13580), (5820, 13279), (6790, 11382), (7588, 10185), (8130, 9506), (8148, 9485)]