28607940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9349}}^1$

素因数の和:9381

約数の個数: 72

約数和(自身を含む): 91891800

約数和(自身を除く): 63283860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 9349, 18698, 28047, 37396, 46745, 56094, 84141, 93490, 112188, 140235, 158933, 168282, 186980, 280470, 317866, 336564, 420705, 476799, 560940, 635732, 794665, 841410, 953598, 1430397, 1589330, 1682820, 1907196, 2383995, 2860794, 3178660, 4767990, 5721588, 7151985, 9535980, 14303970, 28607940]

約数ペア:

[(1, 28607940), (2, 14303970), (3, 9535980), (4, 7151985), (5, 5721588), (6, 4767990), (9, 3178660), (10, 2860794), (12, 2383995), (15, 1907196), (17, 1682820), (18, 1589330), (20, 1430397), (30, 953598), (34, 841410), (36, 794665), (45, 635732), (51, 560940), (60, 476799), (68, 420705), (85, 336564), (90, 317866), (102, 280470), (153, 186980), (170, 168282), (180, 158933), (204, 140235), (255, 112188), (306, 93490), (340, 84141), (510, 56094), (612, 46745), (765, 37396), (1020, 28047), (1530, 18698), (3060, 9349)]