27955840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 77529690

約数和(自身を除く): 49573850

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 121, 128, 152, 160, 176, 190, 209, 220, 242, 304, 320, 352, 361, 380, 418, 440, 484, 605, 608, 640, 704, 722, 760, 836, 880, 968, 1045, 1210, 1216, 1408, 1444, 1520, 1672, 1760, 1805, 1936, 2090, 2299, 2420, 2432, 2888, 3040, 3344, 3520, 3610, 3872, 3971, 4180, 4598, 4840, 5776, 6080, 6688, 7040, 7220, 7744, 7942, 8360, 9196, 9680, 11495, 11552, 12160, 13376, 14440, 15488, 15884, 16720, 18392, 19360, 19855, 22990, 23104, 26752, 28880, 31768, 33440, 36784, 38720, 39710, 43681, 45980, 46208, 57760, 63536, 66880, 73568, 77440, 79420, 87362, 91960, 115520, 127072, 133760, 147136, 158840, 174724, 183920, 218405, 231040, 254144, 294272, 317680, 349448, 367840, 436810, 508288, 635360, 698896, 735680, 873620, 1270720, 1397792, 1471360, 1747240, 2541440, 2795584, 3494480, 5591168, 6988960, 13977920, 27955840]

約数ペア:

[(1, 27955840), (2, 13977920), (4, 6988960), (5, 5591168), (8, 3494480), (10, 2795584), (11, 2541440), (16, 1747240), (19, 1471360), (20, 1397792), (22, 1270720), (32, 873620), (38, 735680), (40, 698896), (44, 635360), (55, 508288), (64, 436810), (76, 367840), (80, 349448), (88, 317680), (95, 294272), (110, 254144), (121, 231040), (128, 218405), (152, 183920), (160, 174724), (176, 158840), (190, 147136), (209, 133760), (220, 127072), (242, 115520), (304, 91960), (320, 87362), (352, 79420), (361, 77440), (380, 73568), (418, 66880), (440, 63536), (484, 57760), (605, 46208), (608, 45980), (640, 43681), (704, 39710), (722, 38720), (760, 36784), (836, 33440), (880, 31768), (968, 28880), (1045, 26752), (1210, 23104), (1216, 22990), (1408, 19855), (1444, 19360), (1520, 18392), (1672, 16720), (1760, 15884), (1805, 15488), (1936, 14440), (2090, 13376), (2299, 12160), (2420, 11552), (2432, 11495), (2888, 9680), (3040, 9196), (3344, 8360), (3520, 7942), (3610, 7744), (3872, 7220), (3971, 7040), (4180, 6688), (4598, 6080), (4840, 5776)]