90989820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17431}}^1$

素因数の和:17475

約数の個数: 72

約数和(自身を含む): 285536160

約数和(自身を除く): 194546340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 17431, 34862, 52293, 69724, 87155, 104586, 156879, 174310, 209172, 261465, 313758, 348620, 505499, 522930, 627516, 784395, 1010998, 1045860, 1516497, 1568790, 2021996, 2527495, 3032994, 3137580, 4549491, 5054990, 6065988, 7582485, 9098982, 10109980, 15164970, 18197964, 22747455, 30329940, 45494910, 90989820]

約数ペア:

[(1, 90989820), (2, 45494910), (3, 30329940), (4, 22747455), (5, 18197964), (6, 15164970), (9, 10109980), (10, 9098982), (12, 7582485), (15, 6065988), (18, 5054990), (20, 4549491), (29, 3137580), (30, 3032994), (36, 2527495), (45, 2021996), (58, 1568790), (60, 1516497), (87, 1045860), (90, 1010998), (116, 784395), (145, 627516), (174, 522930), (180, 505499), (261, 348620), (290, 313758), (348, 261465), (435, 209172), (522, 174310), (580, 156879), (870, 104586), (1044, 87155), (1305, 69724), (1740, 52293), (2610, 34862), (5220, 17431)]