2781530160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{27529}}^1$

素因数の和:27966

約数の個数: 80

約数和(自身を含む): 8643539040

約数和(自身を除く): 5862008880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1684, 2105, 2526, 3368, 4210, 5052, 6315, 6736, 8420, 10104, 12630, 16840, 20208, 25260, 27529, 33680, 50520, 55058, 82587, 101040, 110116, 137645, 165174, 220232, 275290, 330348, 412935, 440464, 550580, 660696, 825870, 1101160, 1321392, 1651740, 2202320, 3303480, 6606960, 11589709, 23179418, 34769127, 46358836, 57948545, 69538254, 92717672, 115897090, 139076508, 173845635, 185435344, 231794180, 278153016, 347691270, 463588360, 556306032, 695382540, 927176720, 1390765080, 2781530160]

約数ペア:

[(1, 2781530160), (2, 1390765080), (3, 927176720), (4, 695382540), (5, 556306032), (6, 463588360), (8, 347691270), (10, 278153016), (12, 231794180), (15, 185435344), (16, 173845635), (20, 139076508), (24, 115897090), (30, 92717672), (40, 69538254), (48, 57948545), (60, 46358836), (80, 34769127), (120, 23179418), (240, 11589709), (421, 6606960), (842, 3303480), (1263, 2202320), (1684, 1651740), (2105, 1321392), (2526, 1101160), (3368, 825870), (4210, 660696), (5052, 550580), (6315, 440464), (6736, 412935), (8420, 330348), (10104, 275290), (12630, 220232), (16840, 165174), (20208, 137645), (25260, 110116), (27529, 101040), (33680, 82587), (50520, 55058)]