205599780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2467}}^1$

素因数の和:2945

約数の個数: 72

約数和(自身を含む): 625252992

約数和(自身を除く): 419653212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 463, 926, 1389, 1852, 2315, 2467, 2778, 4167, 4630, 4934, 5556, 6945, 7401, 8334, 9260, 9868, 12335, 13890, 14802, 16668, 20835, 22203, 24670, 27780, 29604, 37005, 41670, 44406, 49340, 74010, 83340, 88812, 111015, 148020, 222030, 444060, 1142221, 2284442, 3426663, 4568884, 5711105, 6853326, 10279989, 11422210, 13706652, 17133315, 20559978, 22844420, 34266630, 41119956, 51399945, 68533260, 102799890, 205599780]

約数ペア:

[(1, 205599780), (2, 102799890), (3, 68533260), (4, 51399945), (5, 41119956), (6, 34266630), (9, 22844420), (10, 20559978), (12, 17133315), (15, 13706652), (18, 11422210), (20, 10279989), (30, 6853326), (36, 5711105), (45, 4568884), (60, 3426663), (90, 2284442), (180, 1142221), (463, 444060), (926, 222030), (1389, 148020), (1852, 111015), (2315, 88812), (2467, 83340), (2778, 74010), (4167, 49340), (4630, 44406), (4934, 41670), (5556, 37005), (6945, 29604), (7401, 27780), (8334, 24670), (9260, 22203), (9868, 20835), (12335, 16668), (13890, 14802)]