128537388

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 392999040

約数和(自身を除く): 264461652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 107, 108, 126, 147, 189, 196, 214, 227, 252, 294, 321, 378, 428, 441, 454, 588, 642, 681, 749, 756, 882, 908, 963, 1284, 1323, 1362, 1498, 1589, 1764, 1926, 2043, 2247, 2646, 2724, 2889, 2996, 3178, 3852, 4086, 4494, 4767, 5243, 5292, 5778, 6129, 6356, 6741, 8172, 8988, 9534, 10486, 11123, 11556, 12258, 13482, 14301, 15729, 19068, 20223, 20972, 22246, 24289, 24516, 26964, 28602, 31458, 33369, 40446, 42903, 44492, 47187, 48578, 57204, 62916, 66738, 72867, 80892, 85806, 94374, 97156, 100107, 133476, 141561, 145734, 170023, 171612, 188748, 200214, 218601, 283122, 291468, 300321, 340046, 400428, 437202, 510069, 566244, 600642, 655803, 680092, 874404, 1020138, 1190161, 1201284, 1311606, 1530207, 2040276, 2380322, 2623212, 3060414, 3570483, 4590621, 4760644, 6120828, 7140966, 9181242, 10711449, 14281932, 18362484, 21422898, 32134347, 42845796, 64268694, 128537388]

約数ペア:

[(1, 128537388), (2, 64268694), (3, 42845796), (4, 32134347), (6, 21422898), (7, 18362484), (9, 14281932), (12, 10711449), (14, 9181242), (18, 7140966), (21, 6120828), (27, 4760644), (28, 4590621), (36, 3570483), (42, 3060414), (49, 2623212), (54, 2380322), (63, 2040276), (84, 1530207), (98, 1311606), (107, 1201284), (108, 1190161), (126, 1020138), (147, 874404), (189, 680092), (196, 655803), (214, 600642), (227, 566244), (252, 510069), (294, 437202), (321, 400428), (378, 340046), (428, 300321), (441, 291468), (454, 283122), (588, 218601), (642, 200214), (681, 188748), (749, 171612), (756, 170023), (882, 145734), (908, 141561), (963, 133476), (1284, 100107), (1323, 97156), (1362, 94374), (1498, 85806), (1589, 80892), (1764, 72867), (1926, 66738), (2043, 62916), (2247, 57204), (2646, 48578), (2724, 47187), (2889, 44492), (2996, 42903), (3178, 40446), (3852, 33369), (4086, 31458), (4494, 28602), (4767, 26964), (5243, 24516), (5292, 24289), (5778, 22246), (6129, 20972), (6356, 20223), (6741, 19068), (8172, 15729), (8988, 14301), (9534, 13482), (10486, 12258), (11123, 11556)]