1821986720

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{22639}}^1$

素因数の和:23157

約数の個数: 48

約数和(自身を含む): 4313191680

約数和(自身を除く): 2491204960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 1006, 2012, 2515, 4024, 5030, 8048, 10060, 16096, 20120, 22639, 40240, 45278, 80480, 90556, 113195, 181112, 226390, 362224, 452780, 724448, 905560, 1811120, 3622240, 11387417, 22774834, 45549668, 56937085, 91099336, 113874170, 182198672, 227748340, 364397344, 455496680, 910993360, 1821986720]

約数ペア:

[(1, 1821986720), (2, 910993360), (4, 455496680), (5, 364397344), (8, 227748340), (10, 182198672), (16, 113874170), (20, 91099336), (32, 56937085), (40, 45549668), (80, 22774834), (160, 11387417), (503, 3622240), (1006, 1811120), (2012, 905560), (2515, 724448), (4024, 452780), (5030, 362224), (8048, 226390), (10060, 181112), (16096, 113195), (20120, 90556), (22639, 80480), (40240, 45278)]