7998060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 25966080

約数和(自身を除く): 17968020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 139, 140, 210, 274, 278, 411, 417, 420, 548, 556, 685, 695, 822, 834, 959, 973, 1370, 1390, 1644, 1668, 1918, 1946, 2055, 2085, 2740, 2780, 2877, 2919, 3836, 3892, 4110, 4170, 4795, 4865, 5754, 5838, 8220, 8340, 9590, 9730, 11508, 11676, 14385, 14595, 19043, 19180, 19460, 28770, 29190, 38086, 57129, 57540, 58380, 76172, 95215, 114258, 133301, 190430, 228516, 266602, 285645, 380860, 399903, 533204, 571290, 666505, 799806, 1142580, 1333010, 1599612, 1999515, 2666020, 3999030, 7998060]

約数ペア:

[(1, 7998060), (2, 3999030), (3, 2666020), (4, 1999515), (5, 1599612), (6, 1333010), (7, 1142580), (10, 799806), (12, 666505), (14, 571290), (15, 533204), (20, 399903), (21, 380860), (28, 285645), (30, 266602), (35, 228516), (42, 190430), (60, 133301), (70, 114258), (84, 95215), (105, 76172), (137, 58380), (139, 57540), (140, 57129), (210, 38086), (274, 29190), (278, 28770), (411, 19460), (417, 19180), (420, 19043), (548, 14595), (556, 14385), (685, 11676), (695, 11508), (822, 9730), (834, 9590), (959, 8340), (973, 8220), (1370, 5838), (1390, 5754), (1644, 4865), (1668, 4795), (1918, 4170), (1946, 4110), (2055, 3892), (2085, 3836), (2740, 2919), (2780, 2877)]