128829680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{607}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 343787520

約数和(自身を除く): 214957840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 379, 560, 607, 758, 1214, 1516, 1895, 2428, 2653, 3032, 3035, 3790, 4249, 4856, 5306, 6064, 6070, 7580, 8498, 9712, 10612, 12140, 13265, 15160, 16996, 21224, 21245, 24280, 26530, 30320, 33992, 42448, 42490, 48560, 53060, 67984, 84980, 106120, 169960, 212240, 230053, 339920, 460106, 920212, 1150265, 1610371, 1840424, 2300530, 3220742, 3680848, 4601060, 6441484, 8051855, 9202120, 12882968, 16103710, 18404240, 25765936, 32207420, 64414840, 128829680]

約数ペア:

[(1, 128829680), (2, 64414840), (4, 32207420), (5, 25765936), (7, 18404240), (8, 16103710), (10, 12882968), (14, 9202120), (16, 8051855), (20, 6441484), (28, 4601060), (35, 3680848), (40, 3220742), (56, 2300530), (70, 1840424), (80, 1610371), (112, 1150265), (140, 920212), (280, 460106), (379, 339920), (560, 230053), (607, 212240), (758, 169960), (1214, 106120), (1516, 84980), (1895, 67984), (2428, 53060), (2653, 48560), (3032, 42490), (3035, 42448), (3790, 33992), (4249, 30320), (4856, 26530), (5306, 24280), (6064, 21245), (6070, 21224), (7580, 16996), (8498, 15160), (9712, 13265), (10612, 12140)]