28164780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7451}}^1$

素因数の和:7476

約数の個数: 96

約数和(自身を含む): 100154880

約数和(自身を除く): 71990100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7451, 14902, 22353, 29804, 37255, 44706, 52157, 67059, 74510, 89412, 104314, 111765, 134118, 149020, 156471, 201177, 208628, 223530, 260785, 268236, 312942, 335295, 402354, 447060, 469413, 521570, 625884, 670590, 782355, 804708, 938826, 1005885, 1043140, 1341180, 1408239, 1564710, 1877652, 2011770, 2347065, 2816478, 3129420, 4023540, 4694130, 5632956, 7041195, 9388260, 14082390, 28164780]

約数ペア:

[(1, 28164780), (2, 14082390), (3, 9388260), (4, 7041195), (5, 5632956), (6, 4694130), (7, 4023540), (9, 3129420), (10, 2816478), (12, 2347065), (14, 2011770), (15, 1877652), (18, 1564710), (20, 1408239), (21, 1341180), (27, 1043140), (28, 1005885), (30, 938826), (35, 804708), (36, 782355), (42, 670590), (45, 625884), (54, 521570), (60, 469413), (63, 447060), (70, 402354), (84, 335295), (90, 312942), (105, 268236), (108, 260785), (126, 223530), (135, 208628), (140, 201177), (180, 156471), (189, 149020), (210, 134118), (252, 111765), (270, 104314), (315, 89412), (378, 74510), (420, 67059), (540, 52157), (630, 44706), (756, 37255), (945, 29804), (1260, 22353), (1890, 14902), (3780, 7451)]