128666556

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{6967}}^1$

素因数の和:7005

約数の個数: 72

約数和(自身を含む): 355089280

約数和(自身を除く): 226422724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 2052, 3078, 4617, 6156, 6967, 9234, 13934, 18468, 20901, 27868, 41802, 62703, 83604, 125406, 132373, 188109, 250812, 264746, 376218, 397119, 529492, 564327, 752436, 794238, 1128654, 1191357, 1588476, 1692981, 2257308, 2382714, 3385962, 3574071, 4765428, 6771924, 7148142, 10722213, 14296284, 21444426, 32166639, 42888852, 64333278, 128666556]

約数ペア:

[(1, 128666556), (2, 64333278), (3, 42888852), (4, 32166639), (6, 21444426), (9, 14296284), (12, 10722213), (18, 7148142), (19, 6771924), (27, 4765428), (36, 3574071), (38, 3385962), (54, 2382714), (57, 2257308), (76, 1692981), (81, 1588476), (108, 1191357), (114, 1128654), (162, 794238), (171, 752436), (228, 564327), (243, 529492), (324, 397119), (342, 376218), (486, 264746), (513, 250812), (684, 188109), (972, 132373), (1026, 125406), (1539, 83604), (2052, 62703), (3078, 41802), (4617, 27868), (6156, 20901), (6967, 18468), (9234, 13934)]