2784180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{947}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 9078048

約数和(自身を除く): 6293868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 947, 980, 1470, 1894, 2841, 2940, 3788, 4735, 5682, 6629, 9470, 11364, 13258, 14205, 18940, 19887, 26516, 28410, 33145, 39774, 46403, 56820, 66290, 79548, 92806, 99435, 132580, 139209, 185612, 198870, 232015, 278418, 397740, 464030, 556836, 696045, 928060, 1392090, 2784180]

約数ペア:

[(1, 2784180), (2, 1392090), (3, 928060), (4, 696045), (5, 556836), (6, 464030), (7, 397740), (10, 278418), (12, 232015), (14, 198870), (15, 185612), (20, 139209), (21, 132580), (28, 99435), (30, 92806), (35, 79548), (42, 66290), (49, 56820), (60, 46403), (70, 39774), (84, 33145), (98, 28410), (105, 26516), (140, 19887), (147, 18940), (196, 14205), (210, 13258), (245, 11364), (294, 9470), (420, 6629), (490, 5682), (588, 4735), (735, 3788), (947, 2940), (980, 2841), (1470, 1894)]