1291090128

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 3611197440

約数和(自身を除く): 2320107312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 71, 76, 114, 127, 142, 152, 157, 213, 228, 254, 284, 304, 314, 381, 426, 456, 471, 508, 568, 628, 762, 852, 912, 942, 1016, 1136, 1256, 1349, 1524, 1704, 1884, 2032, 2413, 2512, 2698, 2983, 3048, 3408, 3768, 4047, 4826, 5396, 5966, 6096, 7239, 7536, 8094, 8949, 9017, 9652, 10792, 11147, 11932, 14478, 16188, 17898, 18034, 19304, 19939, 21584, 22294, 23864, 27051, 28956, 32376, 33441, 35796, 36068, 38608, 39878, 44588, 47728, 54102, 57912, 59817, 64752, 66882, 71592, 72136, 79756, 89176, 108204, 115824, 119634, 133764, 143184, 144272, 159512, 171323, 178352, 211793, 216408, 239268, 267528, 319024, 342646, 378841, 423586, 432816, 478536, 513969, 535056, 635379, 685292, 757682, 847172, 957072, 1027938, 1136523, 1270758, 1370584, 1415669, 1515364, 1694344, 2055876, 2273046, 2541516, 2741168, 2831338, 3030728, 3388688, 4111752, 4247007, 4546092, 5083032, 5662676, 6061456, 8223504, 8494014, 9092184, 10166064, 11325352, 16988028, 18184368, 22650704, 26897711, 33976056, 53795422, 67952112, 80693133, 107590844, 161386266, 215181688, 322772532, 430363376, 645545064, 1291090128]

約数ペア:

[(1, 1291090128), (2, 645545064), (3, 430363376), (4, 322772532), (6, 215181688), (8, 161386266), (12, 107590844), (16, 80693133), (19, 67952112), (24, 53795422), (38, 33976056), (48, 26897711), (57, 22650704), (71, 18184368), (76, 16988028), (114, 11325352), (127, 10166064), (142, 9092184), (152, 8494014), (157, 8223504), (213, 6061456), (228, 5662676), (254, 5083032), (284, 4546092), (304, 4247007), (314, 4111752), (381, 3388688), (426, 3030728), (456, 2831338), (471, 2741168), (508, 2541516), (568, 2273046), (628, 2055876), (762, 1694344), (852, 1515364), (912, 1415669), (942, 1370584), (1016, 1270758), (1136, 1136523), (1256, 1027938), (1349, 957072), (1524, 847172), (1704, 757682), (1884, 685292), (2032, 635379), (2413, 535056), (2512, 513969), (2698, 478536), (2983, 432816), (3048, 423586), (3408, 378841), (3768, 342646), (4047, 319024), (4826, 267528), (5396, 239268), (5966, 216408), (6096, 211793), (7239, 178352), (7536, 171323), (8094, 159512), (8949, 144272), (9017, 143184), (9652, 133764), (10792, 119634), (11147, 115824), (11932, 108204), (14478, 89176), (16188, 79756), (17898, 72136), (18034, 71592), (19304, 66882), (19939, 64752), (21584, 59817), (22294, 57912), (23864, 54102), (27051, 47728), (28956, 44588), (32376, 39878), (33441, 38608), (35796, 36068)]