215031768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 635627520

約数和(自身を除く): 420595752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 113, 141, 168, 188, 226, 241, 282, 329, 339, 376, 452, 482, 564, 658, 678, 723, 791, 904, 964, 987, 1128, 1316, 1356, 1446, 1582, 1687, 1928, 1974, 2373, 2632, 2712, 2892, 3164, 3374, 3948, 4746, 5061, 5311, 5784, 6328, 6748, 7896, 9492, 10122, 10622, 11327, 13496, 15933, 18984, 20244, 21244, 22654, 27233, 31866, 33981, 37177, 40488, 42488, 45308, 54466, 63732, 67962, 74354, 79289, 81699, 90616, 108932, 111531, 127464, 135924, 148708, 158578, 163398, 190631, 217864, 223062, 237867, 271848, 297416, 317156, 326796, 381262, 446124, 475734, 571893, 634312, 653592, 762524, 892248, 951468, 1143786, 1279951, 1525048, 1902936, 2287572, 2559902, 3839853, 4575144, 5119804, 7679706, 8959657, 10239608, 15359412, 17919314, 26878971, 30718824, 35838628, 53757942, 71677256, 107515884, 215031768]

約数ペア:

[(1, 215031768), (2, 107515884), (3, 71677256), (4, 53757942), (6, 35838628), (7, 30718824), (8, 26878971), (12, 17919314), (14, 15359412), (21, 10239608), (24, 8959657), (28, 7679706), (42, 5119804), (47, 4575144), (56, 3839853), (84, 2559902), (94, 2287572), (113, 1902936), (141, 1525048), (168, 1279951), (188, 1143786), (226, 951468), (241, 892248), (282, 762524), (329, 653592), (339, 634312), (376, 571893), (452, 475734), (482, 446124), (564, 381262), (658, 326796), (678, 317156), (723, 297416), (791, 271848), (904, 237867), (964, 223062), (987, 217864), (1128, 190631), (1316, 163398), (1356, 158578), (1446, 148708), (1582, 135924), (1687, 127464), (1928, 111531), (1974, 108932), (2373, 90616), (2632, 81699), (2712, 79289), (2892, 74354), (3164, 67962), (3374, 63732), (3948, 54466), (4746, 45308), (5061, 42488), (5311, 40488), (5784, 37177), (6328, 33981), (6748, 31866), (7896, 27233), (9492, 22654), (10122, 21244), (10622, 20244), (11327, 18984), (13496, 15933)]