28745010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 89303040

約数和(自身を除く): 60558030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 67, 70, 90, 105, 126, 134, 135, 189, 201, 210, 227, 270, 315, 335, 378, 402, 454, 469, 603, 630, 670, 681, 938, 945, 1005, 1135, 1206, 1362, 1407, 1589, 1809, 1890, 2010, 2043, 2270, 2345, 2814, 3015, 3178, 3405, 3618, 4086, 4221, 4690, 4767, 6030, 6129, 6810, 7035, 7945, 8442, 9045, 9534, 10215, 12258, 12663, 14070, 14301, 15209, 15890, 18090, 20430, 21105, 23835, 25326, 28602, 30418, 30645, 42210, 42903, 45627, 47670, 61290, 63315, 71505, 76045, 85806, 91254, 106463, 126630, 136881, 143010, 152090, 212926, 214515, 228135, 273762, 319389, 410643, 429030, 456270, 532315, 638778, 684405, 821286, 958167, 1064630, 1368810, 1596945, 1916334, 2053215, 2874501, 3193890, 4106430, 4790835, 5749002, 9581670, 14372505, 28745010]

約数ペア:

[(1, 28745010), (2, 14372505), (3, 9581670), (5, 5749002), (6, 4790835), (7, 4106430), (9, 3193890), (10, 2874501), (14, 2053215), (15, 1916334), (18, 1596945), (21, 1368810), (27, 1064630), (30, 958167), (35, 821286), (42, 684405), (45, 638778), (54, 532315), (63, 456270), (67, 429030), (70, 410643), (90, 319389), (105, 273762), (126, 228135), (134, 214515), (135, 212926), (189, 152090), (201, 143010), (210, 136881), (227, 126630), (270, 106463), (315, 91254), (335, 85806), (378, 76045), (402, 71505), (454, 63315), (469, 61290), (603, 47670), (630, 45627), (670, 42903), (681, 42210), (938, 30645), (945, 30418), (1005, 28602), (1135, 25326), (1206, 23835), (1362, 21105), (1407, 20430), (1589, 18090), (1809, 15890), (1890, 15209), (2010, 14301), (2043, 14070), (2270, 12663), (2345, 12258), (2814, 10215), (3015, 9534), (3178, 9045), (3405, 8442), (3618, 7945), (4086, 7035), (4221, 6810), (4690, 6129), (4767, 6030)]