1255367960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{407587}}^1$

素因数の和:407616

約数の個数: 64

約数和(自身を含む): 3521560320

約数和(自身を除く): 2266192360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 407587, 815174, 1630348, 2037935, 2853109, 3260696, 4075870, 4483457, 5706218, 8151740, 8966914, 11412436, 14265545, 16303480, 17933828, 22417285, 22824872, 28531090, 31384199, 35867656, 44834570, 57062180, 62768398, 89669140, 114124360, 125536796, 156920995, 179338280, 251073592, 313841990, 627683980, 1255367960]

約数ペア:

[(1, 1255367960), (2, 627683980), (4, 313841990), (5, 251073592), (7, 179338280), (8, 156920995), (10, 125536796), (11, 114124360), (14, 89669140), (20, 62768398), (22, 57062180), (28, 44834570), (35, 35867656), (40, 31384199), (44, 28531090), (55, 22824872), (56, 22417285), (70, 17933828), (77, 16303480), (88, 14265545), (110, 11412436), (140, 8966914), (154, 8151740), (220, 5706218), (280, 4483457), (308, 4075870), (385, 3260696), (440, 2853109), (616, 2037935), (770, 1630348), (1540, 815174), (3080, 407587)]