1617962720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21379}}^1$

素因数の和:21448

約数の個数: 96

約数和(自身を含む): 4267105920

約数和(自身を除く): 2649143200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1376, 1720, 1760, 1892, 2365, 3440, 3784, 4730, 6880, 7568, 9460, 15136, 18920, 21379, 37840, 42758, 75680, 85516, 106895, 171032, 213790, 235169, 342064, 427580, 470338, 684128, 855160, 919297, 940676, 1175845, 1710320, 1838594, 1881352, 2351690, 3420640, 3677188, 3762704, 4596485, 4703380, 7354376, 7525408, 9192970, 9406760, 10112267, 14708752, 18385940, 18813520, 20224534, 29417504, 36771880, 37627040, 40449068, 50561335, 73543760, 80898136, 101122670, 147087520, 161796272, 202245340, 323592544, 404490680, 808981360, 1617962720]

約数ペア:

[(1, 1617962720), (2, 808981360), (4, 404490680), (5, 323592544), (8, 202245340), (10, 161796272), (11, 147087520), (16, 101122670), (20, 80898136), (22, 73543760), (32, 50561335), (40, 40449068), (43, 37627040), (44, 36771880), (55, 29417504), (80, 20224534), (86, 18813520), (88, 18385940), (110, 14708752), (160, 10112267), (172, 9406760), (176, 9192970), (215, 7525408), (220, 7354376), (344, 4703380), (352, 4596485), (430, 3762704), (440, 3677188), (473, 3420640), (688, 2351690), (860, 1881352), (880, 1838594), (946, 1710320), (1376, 1175845), (1720, 940676), (1760, 919297), (1892, 855160), (2365, 684128), (3440, 470338), (3784, 427580), (4730, 342064), (6880, 235169), (7568, 213790), (9460, 171032), (15136, 106895), (18920, 85516), (21379, 75680), (37840, 42758)]