168925860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{991}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 513467136

約数和(自身を除く): 344541276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 991, 1894, 1982, 2841, 2973, 3788, 3964, 4735, 4955, 5682, 5946, 8523, 8919, 9470, 9910, 11364, 11892, 14205, 14865, 17046, 17838, 18940, 19820, 28410, 29730, 34092, 35676, 42615, 44595, 56820, 59460, 85230, 89190, 170460, 178380, 938477, 1876954, 2815431, 3753908, 4692385, 5630862, 8446293, 9384770, 11261724, 14077155, 16892586, 18769540, 28154310, 33785172, 42231465, 56308620, 84462930, 168925860]

約数ペア:

[(1, 168925860), (2, 84462930), (3, 56308620), (4, 42231465), (5, 33785172), (6, 28154310), (9, 18769540), (10, 16892586), (12, 14077155), (15, 11261724), (18, 9384770), (20, 8446293), (30, 5630862), (36, 4692385), (45, 3753908), (60, 2815431), (90, 1876954), (180, 938477), (947, 178380), (991, 170460), (1894, 89190), (1982, 85230), (2841, 59460), (2973, 56820), (3788, 44595), (3964, 42615), (4735, 35676), (4955, 34092), (5682, 29730), (5946, 28410), (8523, 19820), (8919, 18940), (9470, 17838), (9910, 17046), (11364, 14865), (11892, 14205)]