85317680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1314

約数の個数: 80

約数和(自身を含む): 228628224

約数和(自身を除く): 143310544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1163, 1310, 1834, 2096, 2326, 2620, 3668, 4585, 4652, 5240, 5815, 7336, 8141, 9170, 9304, 10480, 11630, 14672, 16282, 18340, 18608, 23260, 32564, 36680, 40705, 46520, 65128, 73360, 81410, 93040, 130256, 152353, 162820, 304706, 325640, 609412, 651280, 761765, 1066471, 1218824, 1523530, 2132942, 2437648, 3047060, 4265884, 5332355, 6094120, 8531768, 10664710, 12188240, 17063536, 21329420, 42658840, 85317680]

約数ペア:

[(1, 85317680), (2, 42658840), (4, 21329420), (5, 17063536), (7, 12188240), (8, 10664710), (10, 8531768), (14, 6094120), (16, 5332355), (20, 4265884), (28, 3047060), (35, 2437648), (40, 2132942), (56, 1523530), (70, 1218824), (80, 1066471), (112, 761765), (131, 651280), (140, 609412), (262, 325640), (280, 304706), (524, 162820), (560, 152353), (655, 130256), (917, 93040), (1048, 81410), (1163, 73360), (1310, 65128), (1834, 46520), (2096, 40705), (2326, 36680), (2620, 32564), (3668, 23260), (4585, 18608), (4652, 18340), (5240, 16282), (5815, 14672), (7336, 11630), (8141, 10480), (9170, 9304)]