71536640

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{499}}^1$

素因数の和:535

約数の個数: 104

約数和(自身を含む): 196584000

約数和(自身を除く): 125047360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 499, 512, 560, 640, 896, 998, 1024, 1120, 1280, 1792, 1996, 2048, 2240, 2495, 2560, 3493, 3584, 3992, 4096, 4480, 4990, 5120, 6986, 7168, 7984, 8960, 9980, 10240, 13972, 14336, 15968, 17465, 17920, 19960, 20480, 27944, 28672, 31936, 34930, 35840, 39920, 55888, 63872, 69860, 71680, 79840, 111776, 127744, 139720, 143360, 159680, 223552, 255488, 279440, 319360, 447104, 510976, 558880, 638720, 894208, 1021952, 1117760, 1277440, 1788416, 2043904, 2235520, 2554880, 3576832, 4471040, 5109760, 7153664, 8942080, 10219520, 14307328, 17884160, 35768320, 71536640]

約数ペア:

[(1, 71536640), (2, 35768320), (4, 17884160), (5, 14307328), (7, 10219520), (8, 8942080), (10, 7153664), (14, 5109760), (16, 4471040), (20, 3576832), (28, 2554880), (32, 2235520), (35, 2043904), (40, 1788416), (56, 1277440), (64, 1117760), (70, 1021952), (80, 894208), (112, 638720), (128, 558880), (140, 510976), (160, 447104), (224, 319360), (256, 279440), (280, 255488), (320, 223552), (448, 159680), (499, 143360), (512, 139720), (560, 127744), (640, 111776), (896, 79840), (998, 71680), (1024, 69860), (1120, 63872), (1280, 55888), (1792, 39920), (1996, 35840), (2048, 34930), (2240, 31936), (2495, 28672), (2560, 27944), (3493, 20480), (3584, 19960), (3992, 17920), (4096, 17465), (4480, 15968), (4990, 14336), (5120, 13972), (6986, 10240), (7168, 9980), (7984, 8960)]