265320440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86143}}^1$

素因数の和:86172

約数の個数: 64

約数和(自身を含む): 744284160

約数和(自身を除く): 478963720

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, 86143, 172286, 344572, 430715, 603001, 689144, 861430, 947573, 1206002, 1722860, 1895146, 2412004, 3015005, 3445720, 3790292, 4737865, 4824008, 6030010, 6633011, 7580584, 9475730, 12060020, 13266022, 18951460, 24120040, 26532044, 33165055, 37902920, 53064088, 66330110, 132660220, 265320440]

約数ペア:

[(1, 265320440), (2, 132660220), (4, 66330110), (5, 53064088), (7, 37902920), (8, 33165055), (10, 26532044), (11, 24120040), (14, 18951460), (20, 13266022), (22, 12060020), (28, 9475730), (35, 7580584), (40, 6633011), (44, 6030010), (55, 4824008), (56, 4737865), (70, 3790292), (77, 3445720), (88, 3015005), (110, 2412004), (140, 1895146), (154, 1722860), (220, 1206002), (280, 947573), (308, 861430), (385, 689144), (440, 603001), (616, 430715), (770, 344572), (1540, 172286), (3080, 86143)]