64169380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 153328896

約数和(自身を除く): 89159516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 97, 110, 124, 155, 194, 220, 310, 341, 388, 485, 620, 682, 970, 1067, 1364, 1705, 1940, 2134, 3007, 3410, 4268, 5335, 6014, 6820, 9409, 10670, 12028, 15035, 18818, 21340, 30070, 33077, 37636, 47045, 60140, 66154, 94090, 103499, 132308, 165385, 188180, 206998, 291679, 330770, 413996, 517495, 583358, 661540, 1034990, 1166716, 1458395, 2069980, 2916790, 3208469, 5833580, 6416938, 12833876, 16042345, 32084690, 64169380]

約数ペア:

[(1, 64169380), (2, 32084690), (4, 16042345), (5, 12833876), (10, 6416938), (11, 5833580), (20, 3208469), (22, 2916790), (31, 2069980), (44, 1458395), (55, 1166716), (62, 1034990), (97, 661540), (110, 583358), (124, 517495), (155, 413996), (194, 330770), (220, 291679), (310, 206998), (341, 188180), (388, 165385), (485, 132308), (620, 103499), (682, 94090), (970, 66154), (1067, 60140), (1364, 47045), (1705, 37636), (1940, 33077), (2134, 30070), (3007, 21340), (3410, 18818), (4268, 15035), (5335, 12028), (6014, 10670), (6820, 9409)]