15980706

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 41256960

約数和(自身を除く): 25276254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 631, 938, 1206, 1262, 1407, 1809, 1893, 2814, 3618, 3786, 4221, 4417, 5679, 8442, 8834, 11358, 12663, 13251, 17037, 25326, 26502, 34074, 39753, 42277, 79506, 84554, 119259, 126831, 238518, 253662, 295939, 380493, 591878, 760986, 887817, 1141479, 1775634, 2282958, 2663451, 5326902, 7990353, 15980706]

約数ペア:

[(1, 15980706), (2, 7990353), (3, 5326902), (6, 2663451), (7, 2282958), (9, 1775634), (14, 1141479), (18, 887817), (21, 760986), (27, 591878), (42, 380493), (54, 295939), (63, 253662), (67, 238518), (126, 126831), (134, 119259), (189, 84554), (201, 79506), (378, 42277), (402, 39753), (469, 34074), (603, 26502), (631, 25326), (938, 17037), (1206, 13251), (1262, 12663), (1407, 11358), (1809, 8834), (1893, 8442), (2814, 5679), (3618, 4417), (3786, 4221)]