28243320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33623}}^1$

素因数の和:33644

約数の個数: 64

約数和(自身を含む): 96837120

約数和(自身を除く): 68593800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33623, 67246, 100869, 134492, 168115, 201738, 235361, 268984, 336230, 403476, 470722, 504345, 672460, 706083, 806952, 941444, 1008690, 1176805, 1344920, 1412166, 1882888, 2017380, 2353610, 2824332, 3530415, 4034760, 4707220, 5648664, 7060830, 9414440, 14121660, 28243320]

約数ペア:

[(1, 28243320), (2, 14121660), (3, 9414440), (4, 7060830), (5, 5648664), (6, 4707220), (7, 4034760), (8, 3530415), (10, 2824332), (12, 2353610), (14, 2017380), (15, 1882888), (20, 1412166), (21, 1344920), (24, 1176805), (28, 1008690), (30, 941444), (35, 806952), (40, 706083), (42, 672460), (56, 504345), (60, 470722), (70, 403476), (84, 336230), (105, 268984), (120, 235361), (140, 201738), (168, 168115), (210, 134492), (280, 100869), (420, 67246), (840, 33623)]