261365720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{84859}}^1$

素因数の和:84888

約数の個数: 64

約数和(自身を含む): 733190400

約数和(自身を除く): 471824680

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, 84859, 169718, 339436, 424295, 594013, 678872, 848590, 933449, 1188026, 1697180, 1866898, 2376052, 2970065, 3394360, 3733796, 4667245, 4752104, 5940130, 6534143, 7467592, 9334490, 11880260, 13068286, 18668980, 23760520, 26136572, 32670715, 37337960, 52273144, 65341430, 130682860, 261365720]

約数ペア:

[(1, 261365720), (2, 130682860), (4, 65341430), (5, 52273144), (7, 37337960), (8, 32670715), (10, 26136572), (11, 23760520), (14, 18668980), (20, 13068286), (22, 11880260), (28, 9334490), (35, 7467592), (40, 6534143), (44, 5940130), (55, 4752104), (56, 4667245), (70, 3733796), (77, 3394360), (88, 2970065), (110, 2376052), (140, 1866898), (154, 1697180), (220, 1188026), (280, 933449), (308, 848590), (385, 678872), (440, 594013), (616, 424295), (770, 339436), (1540, 169718), (3080, 84859)]