28915980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28349}}^1$

素因数の和:28378

約数の個数: 48

約数和(自身を含む): 85730400

約数和(自身を除く): 56814420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 28349, 56698, 85047, 113396, 141745, 170094, 283490, 340188, 425235, 481933, 566980, 850470, 963866, 1445799, 1700940, 1927732, 2409665, 2891598, 4819330, 5783196, 7228995, 9638660, 14457990, 28915980]

約数ペア:

[(1, 28915980), (2, 14457990), (3, 9638660), (4, 7228995), (5, 5783196), (6, 4819330), (10, 2891598), (12, 2409665), (15, 1927732), (17, 1700940), (20, 1445799), (30, 963866), (34, 850470), (51, 566980), (60, 481933), (68, 425235), (85, 340188), (102, 283490), (170, 170094), (204, 141745), (255, 113396), (340, 85047), (510, 56698), (1020, 28349)]