73982720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 137939200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 359, 368, 448, 460, 560, 640, 644, 718, 736, 805, 896, 920, 1120, 1280, 1288, 1436, 1472, 1610, 1792, 1795, 1840, 2240, 2513, 2576, 2872, 2944, 3220, 3590, 3680, 4480, 5026, 5152, 5744, 5888, 6440, 7180, 7360, 8257, 8960, 10052, 10304, 11488, 12565, 12880, 14360, 14720, 16514, 20104, 20608, 22976, 25130, 25760, 28720, 29440, 33028, 40208, 41216, 41285, 45952, 50260, 51520, 57440, 57799, 66056, 80416, 82570, 91904, 100520, 103040, 114880, 115598, 132112, 160832, 165140, 201040, 206080, 229760, 231196, 264224, 288995, 321664, 330280, 402080, 459520, 462392, 528448, 577990, 643328, 660560, 804160, 924784, 1056896, 1155980, 1321120, 1608320, 1849568, 2113792, 2311960, 2642240, 3216640, 3699136, 4623920, 5284480, 7398272, 9247840, 10568960, 14796544, 18495680, 36991360, 73982720]

約数ペア:

[(1, 73982720), (2, 36991360), (4, 18495680), (5, 14796544), (7, 10568960), (8, 9247840), (10, 7398272), (14, 5284480), (16, 4623920), (20, 3699136), (23, 3216640), (28, 2642240), (32, 2311960), (35, 2113792), (40, 1849568), (46, 1608320), (56, 1321120), (64, 1155980), (70, 1056896), (80, 924784), (92, 804160), (112, 660560), (115, 643328), (128, 577990), (140, 528448), (160, 462392), (161, 459520), (184, 402080), (224, 330280), (230, 321664), (256, 288995), (280, 264224), (320, 231196), (322, 229760), (359, 206080), (368, 201040), (448, 165140), (460, 160832), (560, 132112), (640, 115598), (644, 114880), (718, 103040), (736, 100520), (805, 91904), (896, 82570), (920, 80416), (1120, 66056), (1280, 57799), (1288, 57440), (1436, 51520), (1472, 50260), (1610, 45952), (1792, 41285), (1795, 41216), (1840, 40208), (2240, 33028), (2513, 29440), (2576, 28720), (2872, 25760), (2944, 25130), (3220, 22976), (3590, 20608), (3680, 20104), (4480, 16514), (5026, 14720), (5152, 14360), (5744, 12880), (5888, 12565), (6440, 11488), (7180, 10304), (7360, 10052), (8257, 8960)]