128338760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 328561920

約数和(自身を除く): 200223160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 97, 110, 124, 155, 194, 220, 248, 310, 341, 388, 440, 485, 620, 682, 776, 970, 1067, 1240, 1364, 1705, 1940, 2134, 2728, 3007, 3410, 3880, 4268, 5335, 6014, 6820, 8536, 9409, 10670, 12028, 13640, 15035, 18818, 21340, 24056, 30070, 33077, 37636, 42680, 47045, 60140, 66154, 75272, 94090, 103499, 120280, 132308, 165385, 188180, 206998, 264616, 291679, 330770, 376360, 413996, 517495, 583358, 661540, 827992, 1034990, 1166716, 1323080, 1458395, 2069980, 2333432, 2916790, 3208469, 4139960, 5833580, 6416938, 11667160, 12833876, 16042345, 25667752, 32084690, 64169380, 128338760]

約数ペア:

[(1, 128338760), (2, 64169380), (4, 32084690), (5, 25667752), (8, 16042345), (10, 12833876), (11, 11667160), (20, 6416938), (22, 5833580), (31, 4139960), (40, 3208469), (44, 2916790), (55, 2333432), (62, 2069980), (88, 1458395), (97, 1323080), (110, 1166716), (124, 1034990), (155, 827992), (194, 661540), (220, 583358), (248, 517495), (310, 413996), (341, 376360), (388, 330770), (440, 291679), (485, 264616), (620, 206998), (682, 188180), (776, 165385), (970, 132308), (1067, 120280), (1240, 103499), (1364, 94090), (1705, 75272), (1940, 66154), (2134, 60140), (2728, 47045), (3007, 42680), (3410, 37636), (3880, 33077), (4268, 30070), (5335, 24056), (6014, 21340), (6820, 18818), (8536, 15035), (9409, 13640), (10670, 12028)]