640872288

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2287}}^1$

素因数の和:2449

約数の個数: 144

約数和(自身を含む): 2098736640

約数和(自身を除く): 1457864352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 139, 144, 168, 224, 252, 278, 288, 336, 417, 504, 556, 672, 834, 973, 1008, 1112, 1251, 1668, 1946, 2016, 2224, 2287, 2502, 2919, 3336, 3892, 4448, 4574, 5004, 5838, 6672, 6861, 7784, 8757, 9148, 10008, 11676, 13344, 13722, 15568, 16009, 17514, 18296, 20016, 20583, 23352, 27444, 31136, 32018, 35028, 36592, 40032, 41166, 46704, 48027, 54888, 64036, 70056, 73184, 82332, 93408, 96054, 109776, 128072, 140112, 144081, 164664, 192108, 219552, 256144, 280224, 288162, 317893, 329328, 384216, 512288, 576324, 635786, 658656, 768432, 953679, 1152648, 1271572, 1536864, 1907358, 2225251, 2305296, 2543144, 2861037, 3814716, 4450502, 4610592, 5086288, 5722074, 6675753, 7629432, 8901004, 10172576, 11444148, 13351506, 15258864, 17802008, 20027259, 22888296, 26703012, 30517728, 35604016, 40054518, 45776592, 53406024, 71208032, 80109036, 91553184, 106812048, 160218072, 213624096, 320436144, 640872288]

約数ペア:

[(1, 640872288), (2, 320436144), (3, 213624096), (4, 160218072), (6, 106812048), (7, 91553184), (8, 80109036), (9, 71208032), (12, 53406024), (14, 45776592), (16, 40054518), (18, 35604016), (21, 30517728), (24, 26703012), (28, 22888296), (32, 20027259), (36, 17802008), (42, 15258864), (48, 13351506), (56, 11444148), (63, 10172576), (72, 8901004), (84, 7629432), (96, 6675753), (112, 5722074), (126, 5086288), (139, 4610592), (144, 4450502), (168, 3814716), (224, 2861037), (252, 2543144), (278, 2305296), (288, 2225251), (336, 1907358), (417, 1536864), (504, 1271572), (556, 1152648), (672, 953679), (834, 768432), (973, 658656), (1008, 635786), (1112, 576324), (1251, 512288), (1668, 384216), (1946, 329328), (2016, 317893), (2224, 288162), (2287, 280224), (2502, 256144), (2919, 219552), (3336, 192108), (3892, 164664), (4448, 144081), (4574, 140112), (5004, 128072), (5838, 109776), (6672, 96054), (6861, 93408), (7784, 82332), (8757, 73184), (9148, 70056), (10008, 64036), (11676, 54888), (13344, 48027), (13722, 46704), (15568, 41166), (16009, 40032), (17514, 36592), (18296, 35028), (20016, 32018), (20583, 31136), (23352, 27444)]