64642788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 205470720

約数和(自身を除く): 140827932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 28, 36, 38, 42, 46, 57, 63, 69, 76, 84, 92, 114, 126, 133, 138, 161, 171, 207, 228, 252, 266, 276, 322, 342, 399, 414, 437, 483, 532, 587, 644, 684, 798, 828, 874, 966, 1174, 1197, 1311, 1449, 1596, 1748, 1761, 1932, 2348, 2394, 2622, 2898, 3059, 3522, 3933, 4109, 4788, 5244, 5283, 5796, 6118, 7044, 7866, 8218, 9177, 10566, 11153, 12236, 12327, 13501, 15732, 16436, 18354, 21132, 22306, 24654, 27002, 27531, 33459, 36708, 36981, 40503, 44612, 49308, 54004, 55062, 66918, 73962, 78071, 81006, 94507, 100377, 110124, 121509, 133836, 147924, 156142, 162012, 189014, 200754, 234213, 243018, 256519, 283521, 312284, 378028, 401508, 468426, 486036, 513038, 567042, 702639, 769557, 850563, 936852, 1026076, 1134084, 1405278, 1539114, 1701126, 1795633, 2308671, 2810556, 3078228, 3402252, 3591266, 4617342, 5386899, 7182532, 9234684, 10773798, 16160697, 21547596, 32321394, 64642788]

約数ペア:

[(1, 64642788), (2, 32321394), (3, 21547596), (4, 16160697), (6, 10773798), (7, 9234684), (9, 7182532), (12, 5386899), (14, 4617342), (18, 3591266), (19, 3402252), (21, 3078228), (23, 2810556), (28, 2308671), (36, 1795633), (38, 1701126), (42, 1539114), (46, 1405278), (57, 1134084), (63, 1026076), (69, 936852), (76, 850563), (84, 769557), (92, 702639), (114, 567042), (126, 513038), (133, 486036), (138, 468426), (161, 401508), (171, 378028), (207, 312284), (228, 283521), (252, 256519), (266, 243018), (276, 234213), (322, 200754), (342, 189014), (399, 162012), (414, 156142), (437, 147924), (483, 133836), (532, 121509), (587, 110124), (644, 100377), (684, 94507), (798, 81006), (828, 78071), (874, 73962), (966, 66918), (1174, 55062), (1197, 54004), (1311, 49308), (1449, 44612), (1596, 40503), (1748, 36981), (1761, 36708), (1932, 33459), (2348, 27531), (2394, 27002), (2622, 24654), (2898, 22306), (3059, 21132), (3522, 18354), (3933, 16436), (4109, 15732), (4788, 13501), (5244, 12327), (5283, 12236), (5796, 11153), (6118, 10566), (7044, 9177), (7866, 8218)]