65972480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 186412800

約数和(自身を除く): 120440320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 199, 224, 256, 259, 280, 296, 320, 370, 398, 448, 518, 560, 592, 640, 740, 796, 896, 995, 1036, 1120, 1184, 1280, 1295, 1393, 1480, 1592, 1792, 1990, 2072, 2240, 2368, 2590, 2786, 2960, 3184, 3980, 4144, 4480, 4736, 5180, 5572, 5920, 6368, 6965, 7363, 7960, 8288, 8960, 9472, 10360, 11144, 11840, 12736, 13930, 14726, 15920, 16576, 20720, 22288, 23680, 25472, 27860, 29452, 31840, 33152, 36815, 41440, 44576, 47360, 50944, 51541, 55720, 58904, 63680, 66304, 73630, 82880, 89152, 103082, 111440, 117808, 127360, 147260, 165760, 178304, 206164, 222880, 235616, 254720, 257705, 294520, 331520, 356608, 412328, 445760, 471232, 515410, 589040, 824656, 891520, 942464, 1030820, 1178080, 1649312, 1783040, 1884928, 2061640, 2356160, 3298624, 4123280, 4712320, 6597248, 8246560, 9424640, 13194496, 16493120, 32986240, 65972480]

約数ペア:

[(1, 65972480), (2, 32986240), (4, 16493120), (5, 13194496), (7, 9424640), (8, 8246560), (10, 6597248), (14, 4712320), (16, 4123280), (20, 3298624), (28, 2356160), (32, 2061640), (35, 1884928), (37, 1783040), (40, 1649312), (56, 1178080), (64, 1030820), (70, 942464), (74, 891520), (80, 824656), (112, 589040), (128, 515410), (140, 471232), (148, 445760), (160, 412328), (185, 356608), (199, 331520), (224, 294520), (256, 257705), (259, 254720), (280, 235616), (296, 222880), (320, 206164), (370, 178304), (398, 165760), (448, 147260), (518, 127360), (560, 117808), (592, 111440), (640, 103082), (740, 89152), (796, 82880), (896, 73630), (995, 66304), (1036, 63680), (1120, 58904), (1184, 55720), (1280, 51541), (1295, 50944), (1393, 47360), (1480, 44576), (1592, 41440), (1792, 36815), (1990, 33152), (2072, 31840), (2240, 29452), (2368, 27860), (2590, 25472), (2786, 23680), (2960, 22288), (3184, 20720), (3980, 16576), (4144, 15920), (4480, 14726), (4736, 13930), (5180, 12736), (5572, 11840), (5920, 11144), (6368, 10360), (6965, 9472), (7363, 8960), (7960, 8288)]