81625644

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 216885760

約数和(自身を除く): 135260116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 316, 324, 474, 486, 711, 948, 972, 1063, 1422, 2126, 2133, 2844, 3189, 4252, 4266, 6378, 6399, 8532, 9567, 12756, 12798, 19134, 19197, 25596, 28701, 38268, 38394, 57402, 76788, 83977, 86103, 114804, 167954, 172206, 251931, 258309, 335908, 344412, 503862, 516618, 755793, 1007724, 1033236, 1511586, 2267379, 3023172, 4534758, 6802137, 9069516, 13604274, 20406411, 27208548, 40812822, 81625644]

約数ペア:

[(1, 81625644), (2, 40812822), (3, 27208548), (4, 20406411), (6, 13604274), (9, 9069516), (12, 6802137), (18, 4534758), (27, 3023172), (36, 2267379), (54, 1511586), (79, 1033236), (81, 1007724), (108, 755793), (158, 516618), (162, 503862), (237, 344412), (243, 335908), (316, 258309), (324, 251931), (474, 172206), (486, 167954), (711, 114804), (948, 86103), (972, 83977), (1063, 76788), (1422, 57402), (2126, 38394), (2133, 38268), (2844, 28701), (3189, 25596), (4252, 19197), (4266, 19134), (6378, 12798), (6399, 12756), (8532, 9567)]