81290052

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 210887040

約数和(自身を除く): 129596988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 101, 158, 202, 237, 283, 303, 316, 404, 474, 566, 606, 711, 849, 909, 948, 1132, 1212, 1422, 1698, 1818, 2547, 2844, 3396, 3636, 5094, 7979, 10188, 15958, 22357, 23937, 28583, 31916, 44714, 47874, 57166, 67071, 71811, 85749, 89428, 95748, 114332, 134142, 143622, 171498, 201213, 257247, 268284, 287244, 342996, 402426, 514494, 804852, 1028988, 2258057, 4516114, 6774171, 9032228, 13548342, 20322513, 27096684, 40645026, 81290052]

約数ペア:

[(1, 81290052), (2, 40645026), (3, 27096684), (4, 20322513), (6, 13548342), (9, 9032228), (12, 6774171), (18, 4516114), (36, 2258057), (79, 1028988), (101, 804852), (158, 514494), (202, 402426), (237, 342996), (283, 287244), (303, 268284), (316, 257247), (404, 201213), (474, 171498), (566, 143622), (606, 134142), (711, 114332), (849, 95748), (909, 89428), (948, 85749), (1132, 71811), (1212, 67071), (1422, 57166), (1698, 47874), (1818, 44714), (2547, 31916), (2844, 28583), (3396, 23937), (3636, 22357), (5094, 15958), (7979, 10188)]