64171360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 176278032

約数和(自身を除く): 112106672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 101, 110, 152, 160, 176, 190, 202, 209, 220, 304, 352, 361, 380, 404, 418, 440, 505, 608, 722, 760, 808, 836, 880, 1010, 1045, 1111, 1444, 1520, 1616, 1672, 1760, 1805, 1919, 2020, 2090, 2222, 2888, 3040, 3232, 3344, 3610, 3838, 3971, 4040, 4180, 4444, 5555, 5776, 6688, 7220, 7676, 7942, 8080, 8360, 8888, 9595, 11110, 11552, 14440, 15352, 15884, 16160, 16720, 17776, 19190, 19855, 21109, 22220, 28880, 30704, 31768, 33440, 35552, 36461, 38380, 39710, 42218, 44440, 57760, 61408, 63536, 72922, 76760, 79420, 84436, 88880, 105545, 127072, 145844, 153520, 158840, 168872, 177760, 182305, 211090, 291688, 307040, 317680, 337744, 364610, 401071, 422180, 583376, 635360, 675488, 729220, 802142, 844360, 1166752, 1458440, 1604284, 1688720, 2005355, 2916880, 3208568, 3377440, 4010710, 5833760, 6417136, 8021420, 12834272, 16042840, 32085680, 64171360]

約数ペア:

[(1, 64171360), (2, 32085680), (4, 16042840), (5, 12834272), (8, 8021420), (10, 6417136), (11, 5833760), (16, 4010710), (19, 3377440), (20, 3208568), (22, 2916880), (32, 2005355), (38, 1688720), (40, 1604284), (44, 1458440), (55, 1166752), (76, 844360), (80, 802142), (88, 729220), (95, 675488), (101, 635360), (110, 583376), (152, 422180), (160, 401071), (176, 364610), (190, 337744), (202, 317680), (209, 307040), (220, 291688), (304, 211090), (352, 182305), (361, 177760), (380, 168872), (404, 158840), (418, 153520), (440, 145844), (505, 127072), (608, 105545), (722, 88880), (760, 84436), (808, 79420), (836, 76760), (880, 72922), (1010, 63536), (1045, 61408), (1111, 57760), (1444, 44440), (1520, 42218), (1616, 39710), (1672, 38380), (1760, 36461), (1805, 35552), (1919, 33440), (2020, 31768), (2090, 30704), (2222, 28880), (2888, 22220), (3040, 21109), (3232, 19855), (3344, 19190), (3610, 17776), (3838, 16720), (3971, 16160), (4040, 15884), (4180, 15352), (4444, 14440), (5555, 11552), (5776, 11110), (6688, 9595), (7220, 8888), (7676, 8360), (7942, 8080)]