127756640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6599}}^1$

素因数の和:6636

約数の個数: 72

約数和(自身を含む): 331808400

約数和(自身を除く): 204051760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 6599, 9680, 13198, 19360, 26396, 32995, 52792, 65990, 72589, 105584, 131980, 145178, 211168, 263960, 290356, 362945, 527920, 580712, 725890, 798479, 1055840, 1161424, 1451780, 1596958, 2322848, 2903560, 3193916, 3992395, 5807120, 6387832, 7984790, 11614240, 12775664, 15969580, 25551328, 31939160, 63878320, 127756640]

約数ペア:

[(1, 127756640), (2, 63878320), (4, 31939160), (5, 25551328), (8, 15969580), (10, 12775664), (11, 11614240), (16, 7984790), (20, 6387832), (22, 5807120), (32, 3992395), (40, 3193916), (44, 2903560), (55, 2322848), (80, 1596958), (88, 1451780), (110, 1161424), (121, 1055840), (160, 798479), (176, 725890), (220, 580712), (242, 527920), (352, 362945), (440, 290356), (484, 263960), (605, 211168), (880, 145178), (968, 131980), (1210, 105584), (1760, 72589), (1936, 65990), (2420, 52792), (3872, 32995), (4840, 26396), (6599, 19360), (9680, 13198)]