57191820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 187286064

約数和(自身を除く): 130094244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 397, 420, 490, 588, 686, 735, 794, 980, 1029, 1191, 1372, 1470, 1588, 1715, 1985, 2058, 2382, 2401, 2779, 2940, 3430, 3970, 4116, 4764, 4802, 5145, 5558, 5955, 6860, 7203, 7940, 8337, 9604, 10290, 11116, 11910, 12005, 13895, 14406, 16674, 19453, 20580, 23820, 24010, 27790, 28812, 33348, 36015, 38906, 41685, 48020, 55580, 58359, 72030, 77812, 83370, 97265, 116718, 136171, 144060, 166740, 194530, 233436, 272342, 291795, 389060, 408513, 544684, 583590, 680855, 817026, 953197, 1167180, 1361710, 1634052, 1906394, 2042565, 2723420, 2859591, 3812788, 4085130, 4765985, 5719182, 8170260, 9531970, 11438364, 14297955, 19063940, 28595910, 57191820]

約数ペア:

[(1, 57191820), (2, 28595910), (3, 19063940), (4, 14297955), (5, 11438364), (6, 9531970), (7, 8170260), (10, 5719182), (12, 4765985), (14, 4085130), (15, 3812788), (20, 2859591), (21, 2723420), (28, 2042565), (30, 1906394), (35, 1634052), (42, 1361710), (49, 1167180), (60, 953197), (70, 817026), (84, 680855), (98, 583590), (105, 544684), (140, 408513), (147, 389060), (196, 291795), (210, 272342), (245, 233436), (294, 194530), (343, 166740), (397, 144060), (420, 136171), (490, 116718), (588, 97265), (686, 83370), (735, 77812), (794, 72030), (980, 58359), (1029, 55580), (1191, 48020), (1372, 41685), (1470, 38906), (1588, 36015), (1715, 33348), (1985, 28812), (2058, 27790), (2382, 24010), (2401, 23820), (2779, 20580), (2940, 19453), (3430, 16674), (3970, 14406), (4116, 13895), (4764, 12005), (4802, 11910), (5145, 11116), (5558, 10290), (5955, 9604), (6860, 8337), (7203, 7940)]