80195778

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 194745600

約数和(自身を除く): 114549822

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 639, 702, 923, 1278, 1609, 1846, 1917, 2769, 3218, 3834, 4827, 5538, 8307, 9654, 14481, 16614, 20917, 24921, 28962, 41834, 43443, 49842, 62751, 86886, 114239, 125502, 188253, 228478, 342717, 376506, 564759, 685434, 1028151, 1129518, 1485107, 2056302, 2970214, 3084453, 4455321, 6168906, 8910642, 13365963, 26731926, 40097889, 80195778]

約数ペア:

[(1, 80195778), (2, 40097889), (3, 26731926), (6, 13365963), (9, 8910642), (13, 6168906), (18, 4455321), (26, 3084453), (27, 2970214), (39, 2056302), (54, 1485107), (71, 1129518), (78, 1028151), (117, 685434), (142, 564759), (213, 376506), (234, 342717), (351, 228478), (426, 188253), (639, 125502), (702, 114239), (923, 86886), (1278, 62751), (1609, 49842), (1846, 43443), (1917, 41834), (2769, 28962), (3218, 24921), (3834, 20917), (4827, 16614), (5538, 14481), (8307, 9654)]