840672

素因数分解:

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

素因数の和:165

約数の個数: 96

約数和(自身を含む): 2822400

約数和(自身を除く): 1981728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 139, 144, 168, 189, 216, 224, 252, 278, 288, 336, 378, 417, 432, 504, 556, 672, 756, 834, 864, 973, 1008, 1112, 1251, 1512, 1668, 1946, 2016, 2224, 2502, 2919, 3024, 3336, 3753, 3892, 4448, 5004, 5838, 6048, 6672, 7506, 7784, 8757, 10008, 11676, 13344, 15012, 15568, 17514, 20016, 23352, 26271, 30024, 31136, 35028, 40032, 46704, 52542, 60048, 70056, 93408, 105084, 120096, 140112, 210168, 280224, 420336, 840672]

約数ペア:

[(1, 840672), (2, 420336), (3, 280224), (4, 210168), (6, 140112), (7, 120096), (8, 105084), (9, 93408), (12, 70056), (14, 60048), (16, 52542), (18, 46704), (21, 40032), (24, 35028), (27, 31136), (28, 30024), (32, 26271), (36, 23352), (42, 20016), (48, 17514), (54, 15568), (56, 15012), (63, 13344), (72, 11676), (84, 10008), (96, 8757), (108, 7784), (112, 7506), (126, 6672), (139, 6048), (144, 5838), (168, 5004), (189, 4448), (216, 3892), (224, 3753), (252, 3336), (278, 3024), (288, 2919), (336, 2502), (378, 2224), (417, 2016), (432, 1946), (504, 1668), (556, 1512), (672, 1251), (756, 1112), (834, 1008), (864, 973)]