121178120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{947}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 312612480

約数和(自身を除く): 191434360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 947, 1828, 1894, 2285, 3199, 3656, 3788, 4570, 4735, 6398, 6629, 7576, 9140, 9470, 12796, 13258, 15995, 18280, 18940, 25592, 26516, 31990, 33145, 37880, 53032, 63980, 66290, 127960, 132580, 265160, 432779, 865558, 1731116, 2163895, 3029453, 3462232, 4327790, 6058906, 8655580, 12117812, 15147265, 17311160, 24235624, 30294530, 60589060, 121178120]

約数ペア:

[(1, 121178120), (2, 60589060), (4, 30294530), (5, 24235624), (7, 17311160), (8, 15147265), (10, 12117812), (14, 8655580), (20, 6058906), (28, 4327790), (35, 3462232), (40, 3029453), (56, 2163895), (70, 1731116), (140, 865558), (280, 432779), (457, 265160), (914, 132580), (947, 127960), (1828, 66290), (1894, 63980), (2285, 53032), (3199, 37880), (3656, 33145), (3788, 31990), (4570, 26516), (4735, 25592), (6398, 18940), (6629, 18280), (7576, 15995), (9140, 13258), (9470, 12796)]