67661720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1447}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 175150080

約数和(自身を除く): 107488360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1447, 1670, 2338, 2894, 3340, 4676, 5788, 5845, 6680, 7235, 9352, 10129, 11576, 11690, 14470, 20258, 23380, 28940, 40516, 46760, 50645, 57880, 81032, 101290, 202580, 241649, 405160, 483298, 966596, 1208245, 1691543, 1933192, 2416490, 3383086, 4832980, 6766172, 8457715, 9665960, 13532344, 16915430, 33830860, 67661720]

約数ペア:

[(1, 67661720), (2, 33830860), (4, 16915430), (5, 13532344), (7, 9665960), (8, 8457715), (10, 6766172), (14, 4832980), (20, 3383086), (28, 2416490), (35, 1933192), (40, 1691543), (56, 1208245), (70, 966596), (140, 483298), (167, 405160), (280, 241649), (334, 202580), (668, 101290), (835, 81032), (1169, 57880), (1336, 50645), (1447, 46760), (1670, 40516), (2338, 28940), (2894, 23380), (3340, 20258), (4676, 14470), (5788, 11690), (5845, 11576), (6680, 10129), (7235, 9352)]