260260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:53

約数の個数: 72

約数和(自身を含む): 737856

約数和(自身を除く): 477596

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 169, 182, 220, 260, 286, 308, 338, 364, 385, 455, 572, 676, 715, 770, 845, 910, 1001, 1183, 1430, 1540, 1690, 1820, 1859, 2002, 2366, 2860, 3380, 3718, 4004, 4732, 5005, 5915, 7436, 9295, 10010, 11830, 13013, 18590, 20020, 23660, 26026, 37180, 52052, 65065, 130130, 260260]

約数ペア:

[(1, 260260), (2, 130130), (4, 65065), (5, 52052), (7, 37180), (10, 26026), (11, 23660), (13, 20020), (14, 18590), (20, 13013), (22, 11830), (26, 10010), (28, 9295), (35, 7436), (44, 5915), (52, 5005), (55, 4732), (65, 4004), (70, 3718), (77, 3380), (91, 2860), (110, 2366), (130, 2002), (140, 1859), (143, 1820), (154, 1690), (169, 1540), (182, 1430), (220, 1183), (260, 1001), (286, 910), (308, 845), (338, 770), (364, 715), (385, 676), (455, 572)]