72193520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1098

約数の個数: 80

約数和(自身を含む): 193434048

約数和(自身を除く): 121240528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 941, 959, 1096, 1370, 1882, 1918, 2192, 2740, 3764, 3836, 4705, 4795, 5480, 6587, 7528, 7672, 9410, 9590, 10960, 13174, 15056, 15344, 18820, 19180, 26348, 32935, 37640, 38360, 52696, 65870, 75280, 76720, 105392, 128917, 131740, 257834, 263480, 515668, 526960, 644585, 902419, 1031336, 1289170, 1804838, 2062672, 2578340, 3609676, 4512095, 5156680, 7219352, 9024190, 10313360, 14438704, 18048380, 36096760, 72193520]

約数ペア:

[(1, 72193520), (2, 36096760), (4, 18048380), (5, 14438704), (7, 10313360), (8, 9024190), (10, 7219352), (14, 5156680), (16, 4512095), (20, 3609676), (28, 2578340), (35, 2062672), (40, 1804838), (56, 1289170), (70, 1031336), (80, 902419), (112, 644585), (137, 526960), (140, 515668), (274, 263480), (280, 257834), (548, 131740), (560, 128917), (685, 105392), (941, 76720), (959, 75280), (1096, 65870), (1370, 52696), (1882, 38360), (1918, 37640), (2192, 32935), (2740, 26348), (3764, 19180), (3836, 18820), (4705, 15344), (4795, 15056), (5480, 13174), (6587, 10960), (7528, 9590), (7672, 9410)]