15996120

素因数分解:

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

素因数の和:297

約数の個数: 128

約数和(自身を含む): 55641600

約数和(自身を除く): 39645480

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, 137, 139, 140, 168, 210, 274, 278, 280, 411, 417, 420, 548, 556, 685, 695, 822, 834, 840, 959, 973, 1096, 1112, 1370, 1390, 1644, 1668, 1918, 1946, 2055, 2085, 2740, 2780, 2877, 2919, 3288, 3336, 3836, 3892, 4110, 4170, 4795, 4865, 5480, 5560, 5754, 5838, 7672, 7784, 8220, 8340, 9590, 9730, 11508, 11676, 14385, 14595, 16440, 16680, 19043, 19180, 19460, 23016, 23352, 28770, 29190, 38086, 38360, 38920, 57129, 57540, 58380, 76172, 95215, 114258, 115080, 116760, 133301, 152344, 190430, 228516, 266602, 285645, 380860, 399903, 457032, 533204, 571290, 666505, 761720, 799806, 1066408, 1142580, 1333010, 1599612, 1999515, 2285160, 2666020, 3199224, 3999030, 5332040, 7998060, 15996120]

約数ペア:

[(1, 15996120), (2, 7998060), (3, 5332040), (4, 3999030), (5, 3199224), (6, 2666020), (7, 2285160), (8, 1999515), (10, 1599612), (12, 1333010), (14, 1142580), (15, 1066408), (20, 799806), (21, 761720), (24, 666505), (28, 571290), (30, 533204), (35, 457032), (40, 399903), (42, 380860), (56, 285645), (60, 266602), (70, 228516), (84, 190430), (105, 152344), (120, 133301), (137, 116760), (139, 115080), (140, 114258), (168, 95215), (210, 76172), (274, 58380), (278, 57540), (280, 57129), (411, 38920), (417, 38360), (420, 38086), (548, 29190), (556, 28770), (685, 23352), (695, 23016), (822, 19460), (834, 19180), (840, 19043), (959, 16680), (973, 16440), (1096, 14595), (1112, 14385), (1370, 11676), (1390, 11508), (1644, 9730), (1668, 9590), (1918, 8340), (1946, 8220), (2055, 7784), (2085, 7672), (2740, 5838), (2780, 5754), (2877, 5560), (2919, 5480), (3288, 4865), (3336, 4795), (3836, 4170), (3892, 4110)]