128248736

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 343719936

約数和(自身を除く): 215471200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 31, 32, 44, 46, 56, 62, 73, 77, 88, 92, 112, 124, 146, 154, 161, 176, 184, 217, 224, 248, 253, 292, 308, 322, 341, 352, 368, 434, 496, 506, 511, 584, 616, 644, 682, 713, 736, 803, 868, 992, 1012, 1022, 1168, 1232, 1288, 1364, 1426, 1606, 1679, 1736, 1771, 2024, 2044, 2263, 2336, 2387, 2464, 2576, 2728, 2852, 3212, 3358, 3472, 3542, 4048, 4088, 4526, 4774, 4991, 5152, 5456, 5621, 5704, 6424, 6716, 6944, 7084, 7843, 8096, 8176, 9052, 9548, 9982, 10912, 11242, 11408, 11753, 12848, 13432, 14168, 15686, 15841, 16352, 18104, 18469, 19096, 19964, 22484, 22816, 23506, 24893, 25696, 26864, 28336, 31372, 31682, 36208, 36938, 38192, 39928, 44968, 47012, 49786, 52049, 53728, 54901, 56672, 62744, 63364, 72416, 73876, 76384, 79856, 89936, 94024, 99572, 104098, 109802, 125488, 126728, 129283, 147752, 159712, 174251, 179872, 188048, 199144, 208196, 219604, 250976, 253456, 258566, 295504, 348502, 364343, 376096, 398288, 416392, 439208, 506912, 517132, 572539, 591008, 697004, 728686, 796576, 832784, 878416, 1034264, 1145078, 1394008, 1457372, 1665568, 1756832, 2068528, 2290156, 2788016, 2914744, 4007773, 4137056, 4580312, 5576032, 5829488, 8015546, 9160624, 11658976, 16031092, 18321248, 32062184, 64124368, 128248736]

約数ペア:

[(1, 128248736), (2, 64124368), (4, 32062184), (7, 18321248), (8, 16031092), (11, 11658976), (14, 9160624), (16, 8015546), (22, 5829488), (23, 5576032), (28, 4580312), (31, 4137056), (32, 4007773), (44, 2914744), (46, 2788016), (56, 2290156), (62, 2068528), (73, 1756832), (77, 1665568), (88, 1457372), (92, 1394008), (112, 1145078), (124, 1034264), (146, 878416), (154, 832784), (161, 796576), (176, 728686), (184, 697004), (217, 591008), (224, 572539), (248, 517132), (253, 506912), (292, 439208), (308, 416392), (322, 398288), (341, 376096), (352, 364343), (368, 348502), (434, 295504), (496, 258566), (506, 253456), (511, 250976), (584, 219604), (616, 208196), (644, 199144), (682, 188048), (713, 179872), (736, 174251), (803, 159712), (868, 147752), (992, 129283), (1012, 126728), (1022, 125488), (1168, 109802), (1232, 104098), (1288, 99572), (1364, 94024), (1426, 89936), (1606, 79856), (1679, 76384), (1736, 73876), (1771, 72416), (2024, 63364), (2044, 62744), (2263, 56672), (2336, 54901), (2387, 53728), (2464, 52049), (2576, 49786), (2728, 47012), (2852, 44968), (3212, 39928), (3358, 38192), (3472, 36938), (3542, 36208), (4048, 31682), (4088, 31372), (4526, 28336), (4774, 26864), (4991, 25696), (5152, 24893), (5456, 23506), (5621, 22816), (5704, 22484), (6424, 19964), (6716, 19096), (6944, 18469), (7084, 18104), (7843, 16352), (8096, 15841), (8176, 15686), (9052, 14168), (9548, 13432), (9982, 12848), (10912, 11753), (11242, 11408)]