180709680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1747}}^1$

素因数の和:2194

約数の個数: 80

約数和(自身を含む): 561821184

約数和(自身を除く): 381111504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 862, 1293, 1724, 1747, 2155, 2586, 3448, 3494, 4310, 5172, 5241, 6465, 6896, 6988, 8620, 8735, 10344, 10482, 12930, 13976, 17240, 17470, 20688, 20964, 25860, 26205, 27952, 34480, 34940, 41928, 51720, 52410, 69880, 83856, 103440, 104820, 139760, 209640, 419280, 752957, 1505914, 2258871, 3011828, 3764785, 4517742, 6023656, 7529570, 9035484, 11294355, 12047312, 15059140, 18070968, 22588710, 30118280, 36141936, 45177420, 60236560, 90354840, 180709680]

約数ペア:

[(1, 180709680), (2, 90354840), (3, 60236560), (4, 45177420), (5, 36141936), (6, 30118280), (8, 22588710), (10, 18070968), (12, 15059140), (15, 12047312), (16, 11294355), (20, 9035484), (24, 7529570), (30, 6023656), (40, 4517742), (48, 3764785), (60, 3011828), (80, 2258871), (120, 1505914), (240, 752957), (431, 419280), (862, 209640), (1293, 139760), (1724, 104820), (1747, 103440), (2155, 83856), (2586, 69880), (3448, 52410), (3494, 51720), (4310, 41928), (5172, 34940), (5241, 34480), (6465, 27952), (6896, 26205), (6988, 25860), (8620, 20964), (8735, 20688), (10344, 17470), (10482, 17240), (12930, 13976)]