1640656248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1823}}^1$

素因数の和:2337

約数の個数: 128

約数和(自身を含む): 5127045120

約数和(自身を除く): 3486388872

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 487, 616, 924, 974, 1461, 1823, 1848, 1948, 2922, 3409, 3646, 3896, 5357, 5469, 5844, 6818, 7292, 10227, 10714, 10938, 11688, 12761, 13636, 14584, 16071, 20053, 20454, 21428, 21876, 25522, 27272, 32142, 37499, 38283, 40106, 40908, 42856, 43752, 51044, 60159, 64284, 74998, 76566, 80212, 81816, 102088, 112497, 120318, 128568, 140371, 149996, 153132, 160424, 224994, 240636, 280742, 299992, 306264, 421113, 449988, 481272, 561484, 842226, 887801, 899976, 1122968, 1684452, 1775602, 2663403, 3368904, 3551204, 5326806, 6214607, 7102408, 9765811, 10653612, 12429214, 18643821, 19531622, 21307224, 24858428, 29297433, 37287642, 39063244, 49716856, 58594866, 68360677, 74575284, 78126488, 117189732, 136721354, 149150568, 205082031, 234379464, 273442708, 410164062, 546885416, 820328124, 1640656248]

約数ペア:

[(1, 1640656248), (2, 820328124), (3, 546885416), (4, 410164062), (6, 273442708), (7, 234379464), (8, 205082031), (11, 149150568), (12, 136721354), (14, 117189732), (21, 78126488), (22, 74575284), (24, 68360677), (28, 58594866), (33, 49716856), (42, 39063244), (44, 37287642), (56, 29297433), (66, 24858428), (77, 21307224), (84, 19531622), (88, 18643821), (132, 12429214), (154, 10653612), (168, 9765811), (231, 7102408), (264, 6214607), (308, 5326806), (462, 3551204), (487, 3368904), (616, 2663403), (924, 1775602), (974, 1684452), (1461, 1122968), (1823, 899976), (1848, 887801), (1948, 842226), (2922, 561484), (3409, 481272), (3646, 449988), (3896, 421113), (5357, 306264), (5469, 299992), (5844, 280742), (6818, 240636), (7292, 224994), (10227, 160424), (10714, 153132), (10938, 149996), (11688, 140371), (12761, 128568), (13636, 120318), (14584, 112497), (16071, 102088), (20053, 81816), (20454, 80212), (21428, 76566), (21876, 74998), (25522, 64284), (27272, 60159), (32142, 51044), (37499, 43752), (38283, 42856), (40106, 40908)]