128334816

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 393120000

約数和(自身を除く): 264785184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 47, 48, 57, 72, 76, 94, 96, 114, 141, 144, 152, 171, 188, 228, 282, 288, 304, 342, 376, 423, 456, 499, 564, 608, 684, 752, 846, 893, 912, 998, 1128, 1368, 1497, 1504, 1692, 1786, 1824, 1996, 2256, 2679, 2736, 2994, 3384, 3572, 3992, 4491, 4512, 5358, 5472, 5988, 6768, 7144, 7984, 8037, 8982, 9481, 10716, 11976, 13536, 14288, 15968, 16074, 17964, 18962, 21432, 23453, 23952, 28443, 28576, 32148, 35928, 37924, 42864, 46906, 47904, 56886, 64296, 70359, 71856, 75848, 85329, 85728, 93812, 113772, 128592, 140718, 143712, 151696, 170658, 187624, 211077, 227544, 257184, 281436, 303392, 341316, 375248, 422154, 445607, 455088, 562872, 682632, 750496, 844308, 891214, 910176, 1125744, 1336821, 1365264, 1688616, 1782428, 2251488, 2673642, 2730528, 3377232, 3564856, 4010463, 5347284, 6754464, 7129712, 8020926, 10694568, 14259424, 16041852, 21389136, 32083704, 42778272, 64167408, 128334816]

約数ペア:

[(1, 128334816), (2, 64167408), (3, 42778272), (4, 32083704), (6, 21389136), (8, 16041852), (9, 14259424), (12, 10694568), (16, 8020926), (18, 7129712), (19, 6754464), (24, 5347284), (32, 4010463), (36, 3564856), (38, 3377232), (47, 2730528), (48, 2673642), (57, 2251488), (72, 1782428), (76, 1688616), (94, 1365264), (96, 1336821), (114, 1125744), (141, 910176), (144, 891214), (152, 844308), (171, 750496), (188, 682632), (228, 562872), (282, 455088), (288, 445607), (304, 422154), (342, 375248), (376, 341316), (423, 303392), (456, 281436), (499, 257184), (564, 227544), (608, 211077), (684, 187624), (752, 170658), (846, 151696), (893, 143712), (912, 140718), (998, 128592), (1128, 113772), (1368, 93812), (1497, 85728), (1504, 85329), (1692, 75848), (1786, 71856), (1824, 70359), (1996, 64296), (2256, 56886), (2679, 47904), (2736, 46906), (2994, 42864), (3384, 37924), (3572, 35928), (3992, 32148), (4491, 28576), (4512, 28443), (5358, 23952), (5472, 23453), (5988, 21432), (6768, 18962), (7144, 17964), (7984, 16074), (8037, 15968), (8982, 14288), (9481, 13536), (10716, 11976)]