156989701040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{46051}}^1$

素因数の和:47098

約数の個数: 80

約数和(自身を含む): 373874451456

約数和(自身を除く): 216884750416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 991, 1720, 1982, 3440, 3964, 4955, 7928, 9910, 15856, 19820, 39640, 42613, 46051, 79280, 85226, 92102, 170452, 184204, 213065, 230255, 340904, 368408, 426130, 460510, 681808, 736816, 852260, 921020, 1704520, 1842040, 1980193, 3409040, 3684080, 3960386, 7920772, 9900965, 15841544, 19801930, 31683088, 39603860, 45636541, 79207720, 91273082, 158415440, 182546164, 228182705, 365092328, 456365410, 730184656, 912730820, 1825461640, 1962371263, 3650923280, 3924742526, 7849485052, 9811856315, 15698970104, 19623712630, 31397940208, 39247425260, 78494850520, 156989701040]

約数ペア:

[(1, 156989701040), (2, 78494850520), (4, 39247425260), (5, 31397940208), (8, 19623712630), (10, 15698970104), (16, 9811856315), (20, 7849485052), (40, 3924742526), (43, 3650923280), (80, 1962371263), (86, 1825461640), (172, 912730820), (215, 730184656), (344, 456365410), (430, 365092328), (688, 228182705), (860, 182546164), (991, 158415440), (1720, 91273082), (1982, 79207720), (3440, 45636541), (3964, 39603860), (4955, 31683088), (7928, 19801930), (9910, 15841544), (15856, 9900965), (19820, 7920772), (39640, 3960386), (42613, 3684080), (46051, 3409040), (79280, 1980193), (85226, 1842040), (92102, 1704520), (170452, 921020), (184204, 852260), (213065, 736816), (230255, 681808), (340904, 460510), (368408, 426130)]