213540720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1031}}^1$

素因数の和:1910

約数の個数: 80

約数和(自身を含む): 663386112

約数和(自身を除く): 449845392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 863, 1031, 1726, 2062, 2589, 3093, 3452, 4124, 4315, 5155, 5178, 6186, 6904, 8248, 8630, 10310, 10356, 12372, 12945, 13808, 15465, 16496, 17260, 20620, 20712, 24744, 25890, 30930, 34520, 41240, 41424, 49488, 51780, 61860, 69040, 82480, 103560, 123720, 207120, 247440, 889753, 1779506, 2669259, 3559012, 4448765, 5338518, 7118024, 8897530, 10677036, 13346295, 14236048, 17795060, 21354072, 26692590, 35590120, 42708144, 53385180, 71180240, 106770360, 213540720]

約数ペア:

[(1, 213540720), (2, 106770360), (3, 71180240), (4, 53385180), (5, 42708144), (6, 35590120), (8, 26692590), (10, 21354072), (12, 17795060), (15, 14236048), (16, 13346295), (20, 10677036), (24, 8897530), (30, 7118024), (40, 5338518), (48, 4448765), (60, 3559012), (80, 2669259), (120, 1779506), (240, 889753), (863, 247440), (1031, 207120), (1726, 123720), (2062, 103560), (2589, 82480), (3093, 69040), (3452, 61860), (4124, 51780), (4315, 49488), (5155, 41424), (5178, 41240), (6186, 34520), (6904, 30930), (8248, 25890), (8630, 24744), (10310, 20712), (10356, 20620), (12372, 17260), (12945, 16496), (13808, 15465)]