28828260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9421}}^1$

素因数の和:9453

約数の個数: 72

約数和(自身を含む): 92599416

約数和(自身を除く): 63771156

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, 9421, 18842, 28263, 37684, 47105, 56526, 84789, 94210, 113052, 141315, 160157, 169578, 188420, 282630, 320314, 339156, 423945, 480471, 565260, 640628, 800785, 847890, 960942, 1441413, 1601570, 1695780, 1921884, 2402355, 2882826, 3203140, 4804710, 5765652, 7207065, 9609420, 14414130, 28828260]

約数ペア:

[(1, 28828260), (2, 14414130), (3, 9609420), (4, 7207065), (5, 5765652), (6, 4804710), (9, 3203140), (10, 2882826), (12, 2402355), (15, 1921884), (17, 1695780), (18, 1601570), (20, 1441413), (30, 960942), (34, 847890), (36, 800785), (45, 640628), (51, 565260), (60, 480471), (68, 423945), (85, 339156), (90, 320314), (102, 282630), (153, 188420), (170, 169578), (180, 160157), (204, 141315), (255, 113052), (306, 94210), (340, 84789), (510, 56526), (612, 47105), (765, 37684), (1020, 28263), (1530, 18842), (3060, 9421)]