1680719360

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22639}}^1$

素因数の和:22691

約数の個数: 80

約数和(自身を含む): 4168929600

約数和(自身を除く): 2488210240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1856, 2320, 2560, 3712, 4640, 7424, 9280, 14848, 18560, 22639, 37120, 45278, 74240, 90556, 113195, 181112, 226390, 362224, 452780, 656531, 724448, 905560, 1313062, 1448896, 1811120, 2626124, 2897792, 3282655, 3622240, 5252248, 5795584, 6565310, 7244480, 10504496, 11591168, 13130620, 14488960, 21008992, 26261240, 28977920, 42017984, 52522480, 57955840, 84035968, 105044960, 168071936, 210089920, 336143872, 420179840, 840359680, 1680719360]

約数ペア:

[(1, 1680719360), (2, 840359680), (4, 420179840), (5, 336143872), (8, 210089920), (10, 168071936), (16, 105044960), (20, 84035968), (29, 57955840), (32, 52522480), (40, 42017984), (58, 28977920), (64, 26261240), (80, 21008992), (116, 14488960), (128, 13130620), (145, 11591168), (160, 10504496), (232, 7244480), (256, 6565310), (290, 5795584), (320, 5252248), (464, 3622240), (512, 3282655), (580, 2897792), (640, 2626124), (928, 1811120), (1160, 1448896), (1280, 1313062), (1856, 905560), (2320, 724448), (2560, 656531), (3712, 452780), (4640, 362224), (7424, 226390), (9280, 181112), (14848, 113195), (18560, 90556), (22639, 74240), (37120, 45278)]