81078732

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{5107}}^1$

素因数の和:5137

約数の個数: 90

約数和(自身を含む): 246609132

約数和(自身を除く): 165530400

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5107, 5292, 7938, 10214, 15321, 15876, 20428, 30642, 35749, 45963, 61284, 71498, 91926, 107247, 137889, 142996, 183852, 214494, 250243, 275778, 321741, 413667, 428988, 500486, 551556, 643482, 750729, 827334, 965223, 1000972, 1286964, 1501458, 1654668, 1930446, 2252187, 2895669, 3002916, 3860892, 4504374, 5791338, 6756561, 9008748, 11582676, 13513122, 20269683, 27026244, 40539366, 81078732]

約数ペア:

[(1, 81078732), (2, 40539366), (3, 27026244), (4, 20269683), (6, 13513122), (7, 11582676), (9, 9008748), (12, 6756561), (14, 5791338), (18, 4504374), (21, 3860892), (27, 3002916), (28, 2895669), (36, 2252187), (42, 1930446), (49, 1654668), (54, 1501458), (63, 1286964), (81, 1000972), (84, 965223), (98, 827334), (108, 750729), (126, 643482), (147, 551556), (162, 500486), (189, 428988), (196, 413667), (252, 321741), (294, 275778), (324, 250243), (378, 214494), (441, 183852), (567, 142996), (588, 137889), (756, 107247), (882, 91926), (1134, 71498), (1323, 61284), (1764, 45963), (2268, 35749), (2646, 30642), (3969, 20428), (5107, 15876), (5292, 15321), (7938, 10214)]