65280105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 131127360

約数和(自身を除く): 65847255

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 363, 495, 605, 627, 631, 855, 1045, 1089, 1815, 1881, 1893, 2299, 3135, 3155, 5445, 5679, 6897, 6941, 9405, 9465, 11495, 11989, 20691, 20823, 28395, 34485, 34705, 35967, 59945, 62469, 76351, 103455, 104115, 107901, 131879, 179835, 229053, 312345, 381755, 395637, 539505, 659395, 687159, 1145265, 1186911, 1450669, 1978185, 3435795, 4352007, 5934555, 7253345, 13056021, 21760035, 65280105]

約数ペア:

[(1, 65280105), (3, 21760035), (5, 13056021), (9, 7253345), (11, 5934555), (15, 4352007), (19, 3435795), (33, 1978185), (45, 1450669), (55, 1186911), (57, 1145265), (95, 687159), (99, 659395), (121, 539505), (165, 395637), (171, 381755), (209, 312345), (285, 229053), (363, 179835), (495, 131879), (605, 107901), (627, 104115), (631, 103455), (855, 76351), (1045, 62469), (1089, 59945), (1815, 35967), (1881, 34705), (1893, 34485), (2299, 28395), (3135, 20823), (3155, 20691), (5445, 11989), (5679, 11495), (6897, 9465), (6941, 9405)]