205311060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8707}}^1$

素因数の和:8853

約数の個数: 72

約数和(自身を含む): 627602976

約数和(自身を除く): 422291916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 8707, 11790, 17414, 23580, 26121, 34828, 43535, 52242, 78363, 87070, 104484, 130605, 156726, 174140, 261210, 313452, 391815, 522420, 783630, 1140617, 1567260, 2281234, 3421851, 4562468, 5703085, 6843702, 10265553, 11406170, 13687404, 17109255, 20531106, 22812340, 34218510, 41062212, 51327765, 68437020, 102655530, 205311060]

約数ペア:

[(1, 205311060), (2, 102655530), (3, 68437020), (4, 51327765), (5, 41062212), (6, 34218510), (9, 22812340), (10, 20531106), (12, 17109255), (15, 13687404), (18, 11406170), (20, 10265553), (30, 6843702), (36, 5703085), (45, 4562468), (60, 3421851), (90, 2281234), (131, 1567260), (180, 1140617), (262, 783630), (393, 522420), (524, 391815), (655, 313452), (786, 261210), (1179, 174140), (1310, 156726), (1572, 130605), (1965, 104484), (2358, 87070), (2620, 78363), (3930, 52242), (4716, 43535), (5895, 34828), (7860, 26121), (8707, 23580), (11790, 17414)]