1277696080

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{60727}}^1$

素因数の和:61003

約数の個数: 40

約数和(自身を含む): 2981987712

約数和(自身を除く): 1704291632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 21040, 60727, 121454, 242908, 303635, 485816, 607270, 971632, 1214540, 2429080, 4858160, 15971201, 31942402, 63884804, 79856005, 127769608, 159712010, 255539216, 319424020, 638848040, 1277696080]

約数ペア:

[(1, 1277696080), (2, 638848040), (4, 319424020), (5, 255539216), (8, 159712010), (10, 127769608), (16, 79856005), (20, 63884804), (40, 31942402), (80, 15971201), (263, 4858160), (526, 2429080), (1052, 1214540), (1315, 971632), (2104, 607270), (2630, 485816), (4208, 303635), (5260, 242908), (10520, 121454), (21040, 60727)]