81675888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 259983360

約数和(自身を除く): 178307472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 79, 84, 102, 112, 119, 136, 158, 168, 181, 204, 237, 238, 272, 316, 336, 357, 362, 408, 474, 476, 543, 553, 632, 714, 724, 816, 948, 952, 1086, 1106, 1264, 1267, 1343, 1428, 1448, 1659, 1896, 1904, 2172, 2212, 2534, 2686, 2856, 2896, 3077, 3318, 3792, 3801, 4029, 4344, 4424, 5068, 5372, 5712, 6154, 6636, 7602, 8058, 8688, 8848, 9231, 9401, 10136, 10744, 12308, 13272, 14299, 15204, 16116, 18462, 18802, 20272, 21488, 21539, 24616, 26544, 28203, 28598, 30408, 32232, 36924, 37604, 42897, 43078, 49232, 56406, 57196, 60816, 64464, 64617, 73848, 75208, 85794, 86156, 100093, 112812, 114392, 129234, 147696, 150416, 171588, 172312, 200186, 225624, 228784, 243083, 258468, 300279, 343176, 344624, 400372, 451248, 486166, 516936, 600558, 686352, 729249, 800744, 972332, 1033872, 1201116, 1458498, 1601488, 1701581, 1944664, 2402232, 2916996, 3403162, 3889328, 4804464, 5104743, 5833992, 6806324, 10209486, 11667984, 13612648, 20418972, 27225296, 40837944, 81675888]

約数ペア:

[(1, 81675888), (2, 40837944), (3, 27225296), (4, 20418972), (6, 13612648), (7, 11667984), (8, 10209486), (12, 6806324), (14, 5833992), (16, 5104743), (17, 4804464), (21, 3889328), (24, 3403162), (28, 2916996), (34, 2402232), (42, 1944664), (48, 1701581), (51, 1601488), (56, 1458498), (68, 1201116), (79, 1033872), (84, 972332), (102, 800744), (112, 729249), (119, 686352), (136, 600558), (158, 516936), (168, 486166), (181, 451248), (204, 400372), (237, 344624), (238, 343176), (272, 300279), (316, 258468), (336, 243083), (357, 228784), (362, 225624), (408, 200186), (474, 172312), (476, 171588), (543, 150416), (553, 147696), (632, 129234), (714, 114392), (724, 112812), (816, 100093), (948, 86156), (952, 85794), (1086, 75208), (1106, 73848), (1264, 64617), (1267, 64464), (1343, 60816), (1428, 57196), (1448, 56406), (1659, 49232), (1896, 43078), (1904, 42897), (2172, 37604), (2212, 36924), (2534, 32232), (2686, 30408), (2856, 28598), (2896, 28203), (3077, 26544), (3318, 24616), (3792, 21539), (3801, 21488), (4029, 20272), (4344, 18802), (4424, 18462), (5068, 16116), (5372, 15204), (5712, 14299), (6154, 13272), (6636, 12308), (7602, 10744), (8058, 10136), (8688, 9401), (8848, 9231)]