80821950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 226995888

約数和(自身を除く): 146173938

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 61, 66, 73, 75, 110, 121, 122, 146, 150, 165, 183, 219, 242, 275, 305, 330, 363, 365, 366, 438, 550, 605, 610, 671, 726, 730, 803, 825, 915, 1095, 1210, 1342, 1525, 1606, 1650, 1815, 1825, 1830, 2013, 2190, 2409, 3025, 3050, 3355, 3630, 3650, 4015, 4026, 4453, 4575, 4818, 5475, 6050, 6710, 7381, 8030, 8833, 8906, 9075, 9150, 10065, 10950, 12045, 13359, 14762, 16775, 17666, 18150, 20075, 20130, 22143, 22265, 24090, 26499, 26718, 33550, 36905, 40150, 44165, 44286, 44530, 48983, 50325, 52998, 60225, 66795, 73810, 88330, 97966, 100650, 110715, 111325, 120450, 132495, 133590, 146949, 184525, 220825, 221430, 222650, 244915, 264990, 293898, 333975, 369050, 441650, 489830, 538813, 553575, 662475, 667950, 734745, 1077626, 1107150, 1224575, 1324950, 1469490, 1616439, 2449150, 2694065, 3232878, 3673725, 5388130, 7347450, 8082195, 13470325, 16164390, 26940650, 40410975, 80821950]

約数ペア:

[(1, 80821950), (2, 40410975), (3, 26940650), (5, 16164390), (6, 13470325), (10, 8082195), (11, 7347450), (15, 5388130), (22, 3673725), (25, 3232878), (30, 2694065), (33, 2449150), (50, 1616439), (55, 1469490), (61, 1324950), (66, 1224575), (73, 1107150), (75, 1077626), (110, 734745), (121, 667950), (122, 662475), (146, 553575), (150, 538813), (165, 489830), (183, 441650), (219, 369050), (242, 333975), (275, 293898), (305, 264990), (330, 244915), (363, 222650), (365, 221430), (366, 220825), (438, 184525), (550, 146949), (605, 133590), (610, 132495), (671, 120450), (726, 111325), (730, 110715), (803, 100650), (825, 97966), (915, 88330), (1095, 73810), (1210, 66795), (1342, 60225), (1525, 52998), (1606, 50325), (1650, 48983), (1815, 44530), (1825, 44286), (1830, 44165), (2013, 40150), (2190, 36905), (2409, 33550), (3025, 26718), (3050, 26499), (3355, 24090), (3630, 22265), (3650, 22143), (4015, 20130), (4026, 20075), (4453, 18150), (4575, 17666), (4818, 16775), (5475, 14762), (6050, 13359), (6710, 12045), (7381, 10950), (8030, 10065), (8833, 9150), (8906, 9075)]