81749976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 263208960

約数和(自身を除く): 181458984

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 434, 462, 616, 651, 682, 744, 868, 924, 1023, 1302, 1364, 1427, 1736, 1848, 2046, 2387, 2604, 2728, 2854, 4092, 4281, 4774, 5208, 5708, 7161, 8184, 8562, 9548, 9989, 11416, 14322, 15697, 17124, 19096, 19978, 28644, 29967, 31394, 34248, 39956, 44237, 47091, 57288, 59934, 62788, 79912, 88474, 94182, 109879, 119868, 125576, 132711, 176948, 188364, 219758, 239736, 265422, 309659, 329637, 353896, 376728, 439516, 486607, 530844, 619318, 659274, 879032, 928977, 973214, 1061688, 1238636, 1318548, 1459821, 1857954, 1946428, 2477272, 2637096, 2919642, 3406249, 3715908, 3892856, 5839284, 6812498, 7431816, 10218747, 11678568, 13624996, 20437494, 27249992, 40874988, 81749976]

約数ペア:

[(1, 81749976), (2, 40874988), (3, 27249992), (4, 20437494), (6, 13624996), (7, 11678568), (8, 10218747), (11, 7431816), (12, 6812498), (14, 5839284), (21, 3892856), (22, 3715908), (24, 3406249), (28, 2919642), (31, 2637096), (33, 2477272), (42, 1946428), (44, 1857954), (56, 1459821), (62, 1318548), (66, 1238636), (77, 1061688), (84, 973214), (88, 928977), (93, 879032), (124, 659274), (132, 619318), (154, 530844), (168, 486607), (186, 439516), (217, 376728), (231, 353896), (248, 329637), (264, 309659), (308, 265422), (341, 239736), (372, 219758), (434, 188364), (462, 176948), (616, 132711), (651, 125576), (682, 119868), (744, 109879), (868, 94182), (924, 88474), (1023, 79912), (1302, 62788), (1364, 59934), (1427, 57288), (1736, 47091), (1848, 44237), (2046, 39956), (2387, 34248), (2604, 31394), (2728, 29967), (2854, 28644), (4092, 19978), (4281, 19096), (4774, 17124), (5208, 15697), (5708, 14322), (7161, 11416), (8184, 9989), (8562, 9548)]