15270780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 49480704

約数和(自身を除く): 34209924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 353, 412, 420, 515, 618, 706, 721, 1030, 1059, 1236, 1412, 1442, 1545, 1765, 2060, 2118, 2163, 2471, 2884, 3090, 3530, 3605, 4236, 4326, 4942, 5295, 6180, 7060, 7210, 7413, 8652, 9884, 10590, 10815, 12355, 14420, 14826, 21180, 21630, 24710, 29652, 36359, 37065, 43260, 49420, 72718, 74130, 109077, 145436, 148260, 181795, 218154, 254513, 363590, 436308, 509026, 545385, 727180, 763539, 1018052, 1090770, 1272565, 1527078, 2181540, 2545130, 3054156, 3817695, 5090260, 7635390, 15270780]

約数ペア:

[(1, 15270780), (2, 7635390), (3, 5090260), (4, 3817695), (5, 3054156), (6, 2545130), (7, 2181540), (10, 1527078), (12, 1272565), (14, 1090770), (15, 1018052), (20, 763539), (21, 727180), (28, 545385), (30, 509026), (35, 436308), (42, 363590), (60, 254513), (70, 218154), (84, 181795), (103, 148260), (105, 145436), (140, 109077), (206, 74130), (210, 72718), (309, 49420), (353, 43260), (412, 37065), (420, 36359), (515, 29652), (618, 24710), (706, 21630), (721, 21180), (1030, 14826), (1059, 14420), (1236, 12355), (1412, 10815), (1442, 10590), (1545, 9884), (1765, 8652), (2060, 7413), (2118, 7210), (2163, 7060), (2471, 6180), (2884, 5295), (3090, 4942), (3530, 4326), (3605, 4236)]