207815680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1159

約数の個数: 88

約数和(自身を含む): 512454168

約数和(自身を除く): 304638488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1024, 1097, 1184, 1280, 1480, 2194, 2368, 2560, 2960, 4388, 4736, 5120, 5485, 5920, 8776, 9472, 10970, 11840, 17552, 18944, 21940, 23680, 35104, 37888, 40589, 43880, 47360, 70208, 81178, 87760, 94720, 140416, 162356, 175520, 189440, 202945, 280832, 324712, 351040, 405890, 561664, 649424, 702080, 811780, 1123328, 1298848, 1404160, 1623560, 2597696, 2808320, 3247120, 5195392, 5616640, 6494240, 10390784, 12988480, 20781568, 25976960, 41563136, 51953920, 103907840, 207815680]

約数ペア:

[(1, 207815680), (2, 103907840), (4, 51953920), (5, 41563136), (8, 25976960), (10, 20781568), (16, 12988480), (20, 10390784), (32, 6494240), (37, 5616640), (40, 5195392), (64, 3247120), (74, 2808320), (80, 2597696), (128, 1623560), (148, 1404160), (160, 1298848), (185, 1123328), (256, 811780), (296, 702080), (320, 649424), (370, 561664), (512, 405890), (592, 351040), (640, 324712), (740, 280832), (1024, 202945), (1097, 189440), (1184, 175520), (1280, 162356), (1480, 140416), (2194, 94720), (2368, 87760), (2560, 81178), (2960, 70208), (4388, 47360), (4736, 43880), (5120, 40589), (5485, 37888), (5920, 35104), (8776, 23680), (9472, 21940), (10970, 18944), (11840, 17552)]