30405900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{14479}}^1$

素因数の和:14503

約数の個数: 72

約数和(自身を含む): 100549120

約数和(自身を除く): 70143220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 14479, 28958, 43437, 57916, 72395, 86874, 101353, 144790, 173748, 202706, 217185, 289580, 304059, 361975, 405412, 434370, 506765, 608118, 723950, 868740, 1013530, 1085925, 1216236, 1447900, 1520295, 2027060, 2171850, 2533825, 3040590, 4343700, 5067650, 6081180, 7601475, 10135300, 15202950, 30405900]

約数ペア:

[(1, 30405900), (2, 15202950), (3, 10135300), (4, 7601475), (5, 6081180), (6, 5067650), (7, 4343700), (10, 3040590), (12, 2533825), (14, 2171850), (15, 2027060), (20, 1520295), (21, 1447900), (25, 1216236), (28, 1085925), (30, 1013530), (35, 868740), (42, 723950), (50, 608118), (60, 506765), (70, 434370), (75, 405412), (84, 361975), (100, 304059), (105, 289580), (140, 217185), (150, 202706), (175, 173748), (210, 144790), (300, 101353), (350, 86874), (420, 72395), (525, 57916), (700, 43437), (1050, 28958), (2100, 14479)]