1238869760

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7621}}^1$

素因数の和:7769

約数の個数: 72

約数和(自身を含む): 2991238656

約数和(自身を除く): 1752368896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2540, 4064, 5080, 7621, 8128, 10160, 15242, 16256, 20320, 30484, 32512, 38105, 40640, 60968, 76210, 81280, 121936, 152420, 162560, 243872, 304840, 487744, 609680, 967867, 975488, 1219360, 1935734, 1950976, 2438720, 3871468, 4839335, 4877440, 7742936, 9678670, 9754880, 15485872, 19357340, 30971744, 38714680, 61943488, 77429360, 123886976, 154858720, 247773952, 309717440, 619434880, 1238869760]

約数ペア:

[(1, 1238869760), (2, 619434880), (4, 309717440), (5, 247773952), (8, 154858720), (10, 123886976), (16, 77429360), (20, 61943488), (32, 38714680), (40, 30971744), (64, 19357340), (80, 15485872), (127, 9754880), (128, 9678670), (160, 7742936), (254, 4877440), (256, 4839335), (320, 3871468), (508, 2438720), (635, 1950976), (640, 1935734), (1016, 1219360), (1270, 975488), (1280, 967867), (2032, 609680), (2540, 487744), (4064, 304840), (5080, 243872), (7621, 162560), (8128, 152420), (10160, 121936), (15242, 81280), (16256, 76210), (20320, 60968), (30484, 40640), (32512, 38105)]