77614240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 213161760

約数和(自身を除く): 135547520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 211, 220, 242, 304, 352, 380, 418, 422, 440, 484, 605, 608, 760, 836, 844, 880, 968, 1045, 1055, 1210, 1520, 1672, 1688, 1760, 1936, 2090, 2110, 2299, 2321, 2420, 3040, 3344, 3376, 3872, 4009, 4180, 4220, 4598, 4642, 4840, 6688, 6752, 8018, 8360, 8440, 9196, 9284, 9680, 11495, 11605, 16036, 16720, 16880, 18392, 18568, 19360, 20045, 22990, 23210, 25531, 32072, 33440, 33760, 36784, 37136, 40090, 44099, 45980, 46420, 51062, 64144, 73568, 74272, 80180, 88198, 91960, 92840, 102124, 127655, 128288, 160360, 176396, 183920, 185680, 204248, 220495, 255310, 320720, 352792, 367840, 371360, 408496, 440990, 485089, 510620, 641440, 705584, 816992, 881980, 970178, 1021240, 1411168, 1763960, 1940356, 2042480, 2425445, 3527920, 3880712, 4084960, 4850890, 7055840, 7761424, 9701780, 15522848, 19403560, 38807120, 77614240]

約数ペア:

[(1, 77614240), (2, 38807120), (4, 19403560), (5, 15522848), (8, 9701780), (10, 7761424), (11, 7055840), (16, 4850890), (19, 4084960), (20, 3880712), (22, 3527920), (32, 2425445), (38, 2042480), (40, 1940356), (44, 1763960), (55, 1411168), (76, 1021240), (80, 970178), (88, 881980), (95, 816992), (110, 705584), (121, 641440), (152, 510620), (160, 485089), (176, 440990), (190, 408496), (209, 371360), (211, 367840), (220, 352792), (242, 320720), (304, 255310), (352, 220495), (380, 204248), (418, 185680), (422, 183920), (440, 176396), (484, 160360), (605, 128288), (608, 127655), (760, 102124), (836, 92840), (844, 91960), (880, 88198), (968, 80180), (1045, 74272), (1055, 73568), (1210, 64144), (1520, 51062), (1672, 46420), (1688, 45980), (1760, 44099), (1936, 40090), (2090, 37136), (2110, 36784), (2299, 33760), (2321, 33440), (2420, 32072), (3040, 25531), (3344, 23210), (3376, 22990), (3872, 20045), (4009, 19360), (4180, 18568), (4220, 18392), (4598, 16880), (4642, 16720), (4840, 16036), (6688, 11605), (6752, 11495), (8018, 9680), (8360, 9284), (8440, 9196)]