2156264355

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 4237516800

約数和(自身を除く): 2081252445

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 47, 49, 105, 111, 141, 147, 185, 235, 241, 245, 259, 329, 343, 555, 705, 723, 735, 777, 987, 1029, 1205, 1295, 1645, 1687, 1715, 1739, 1813, 2303, 3615, 3885, 4935, 5061, 5145, 5217, 5439, 6909, 8435, 8695, 8917, 9065, 11327, 11515, 11809, 12173, 12691, 16121, 25305, 26085, 26751, 27195, 33981, 34545, 35427, 36519, 38073, 44585, 48363, 56635, 59045, 60865, 62419, 63455, 79289, 80605, 82663, 85211, 133755, 169905, 177135, 182595, 187257, 190365, 237867, 241815, 247989, 255633, 312095, 396445, 413315, 419099, 426055, 436933, 555023, 596477, 936285, 1189335, 1239945, 1257297, 1278165, 1310799, 1665069, 1789431, 2095495, 2184665, 2775115, 2933693, 2982385, 3058531, 3885161, 6286485, 6553995, 8325345, 8801079, 8947155, 9175593, 11655483, 14668465, 15292655, 19425805, 20535851, 44005395, 45877965, 58277415, 61607553, 102679255, 143750957, 308037765, 431252871, 718754785, 2156264355]

約数ペア:

[(1, 2156264355), (3, 718754785), (5, 431252871), (7, 308037765), (15, 143750957), (21, 102679255), (35, 61607553), (37, 58277415), (47, 45877965), (49, 44005395), (105, 20535851), (111, 19425805), (141, 15292655), (147, 14668465), (185, 11655483), (235, 9175593), (241, 8947155), (245, 8801079), (259, 8325345), (329, 6553995), (343, 6286485), (555, 3885161), (705, 3058531), (723, 2982385), (735, 2933693), (777, 2775115), (987, 2184665), (1029, 2095495), (1205, 1789431), (1295, 1665069), (1645, 1310799), (1687, 1278165), (1715, 1257297), (1739, 1239945), (1813, 1189335), (2303, 936285), (3615, 596477), (3885, 555023), (4935, 436933), (5061, 426055), (5145, 419099), (5217, 413315), (5439, 396445), (6909, 312095), (8435, 255633), (8695, 247989), (8917, 241815), (9065, 237867), (11327, 190365), (11515, 187257), (11809, 182595), (12173, 177135), (12691, 169905), (16121, 133755), (25305, 85211), (26085, 82663), (26751, 80605), (27195, 79289), (33981, 63455), (34545, 62419), (35427, 60865), (36519, 59045), (38073, 56635), (44585, 48363)]