620379984

素因数分解:

$2^4\times 3^1\times 7^5\times {\mathrm{769}}^1$

素因数の和:815

約数の個数: 120

約数和(自身を含む): 1872171840

約数和(自身を除く): 1251791856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 769, 784, 1029, 1176, 1372, 1538, 2058, 2307, 2352, 2401, 2744, 3076, 4116, 4614, 4802, 5383, 5488, 6152, 7203, 8232, 9228, 9604, 10766, 12304, 14406, 16149, 16464, 16807, 18456, 19208, 21532, 28812, 32298, 33614, 36912, 37681, 38416, 43064, 50421, 57624, 64596, 67228, 75362, 86128, 100842, 113043, 115248, 129192, 134456, 150724, 201684, 226086, 258384, 263767, 268912, 301448, 403368, 452172, 527534, 602896, 791301, 806736, 904344, 1055068, 1582602, 1808688, 1846369, 2110136, 3165204, 3692738, 4220272, 5539107, 6330408, 7385476, 11078214, 12660816, 12924583, 14770952, 22156428, 25849166, 29541904, 38773749, 44312856, 51698332, 77547498, 88625712, 103396664, 155094996, 206793328, 310189992, 620379984]

約数ペア:

[(1, 620379984), (2, 310189992), (3, 206793328), (4, 155094996), (6, 103396664), (7, 88625712), (8, 77547498), (12, 51698332), (14, 44312856), (16, 38773749), (21, 29541904), (24, 25849166), (28, 22156428), (42, 14770952), (48, 12924583), (49, 12660816), (56, 11078214), (84, 7385476), (98, 6330408), (112, 5539107), (147, 4220272), (168, 3692738), (196, 3165204), (294, 2110136), (336, 1846369), (343, 1808688), (392, 1582602), (588, 1055068), (686, 904344), (769, 806736), (784, 791301), (1029, 602896), (1176, 527534), (1372, 452172), (1538, 403368), (2058, 301448), (2307, 268912), (2352, 263767), (2401, 258384), (2744, 226086), (3076, 201684), (4116, 150724), (4614, 134456), (4802, 129192), (5383, 115248), (5488, 113043), (6152, 100842), (7203, 86128), (8232, 75362), (9228, 67228), (9604, 64596), (10766, 57624), (12304, 50421), (14406, 43064), (16149, 38416), (16464, 37681), (16807, 36912), (18456, 33614), (19208, 32298), (21532, 28812)]