71907920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1852

約数の個数: 80

約数和(自身を含む): 193797120

約数和(自身を除く): 121889200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 1759, 2044, 2555, 2920, 3518, 4088, 5110, 5840, 7036, 8176, 8795, 10220, 12313, 14072, 17590, 20440, 24626, 28144, 35180, 40880, 49252, 61565, 70360, 98504, 123130, 128407, 140720, 197008, 246260, 256814, 492520, 513628, 642035, 898849, 985040, 1027256, 1284070, 1797698, 2054512, 2568140, 3595396, 4494245, 5136280, 7190792, 8988490, 10272560, 14381584, 17976980, 35953960, 71907920]

約数ペア:

[(1, 71907920), (2, 35953960), (4, 17976980), (5, 14381584), (7, 10272560), (8, 8988490), (10, 7190792), (14, 5136280), (16, 4494245), (20, 3595396), (28, 2568140), (35, 2054512), (40, 1797698), (56, 1284070), (70, 1027256), (73, 985040), (80, 898849), (112, 642035), (140, 513628), (146, 492520), (280, 256814), (292, 246260), (365, 197008), (511, 140720), (560, 128407), (584, 123130), (730, 98504), (1022, 70360), (1168, 61565), (1460, 49252), (1759, 40880), (2044, 35180), (2555, 28144), (2920, 24626), (3518, 20440), (4088, 17590), (5110, 14072), (5840, 12313), (7036, 10220), (8176, 8795)]