78215856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 214569600

約数和(自身を除く): 136353744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 139, 152, 228, 278, 304, 417, 456, 556, 617, 834, 912, 1112, 1234, 1668, 1851, 2224, 2468, 2641, 3336, 3702, 4936, 5282, 6672, 7404, 7923, 9872, 10564, 11723, 14808, 15846, 21128, 23446, 29616, 31692, 35169, 42256, 46892, 63384, 70338, 85763, 93784, 126768, 140676, 171526, 187568, 257289, 281352, 343052, 514578, 562704, 686104, 1029156, 1372208, 1629497, 2058312, 3258994, 4116624, 4888491, 6517988, 9776982, 13035976, 19553964, 26071952, 39107928, 78215856]

約数ペア:

[(1, 78215856), (2, 39107928), (3, 26071952), (4, 19553964), (6, 13035976), (8, 9776982), (12, 6517988), (16, 4888491), (19, 4116624), (24, 3258994), (38, 2058312), (48, 1629497), (57, 1372208), (76, 1029156), (114, 686104), (139, 562704), (152, 514578), (228, 343052), (278, 281352), (304, 257289), (417, 187568), (456, 171526), (556, 140676), (617, 126768), (834, 93784), (912, 85763), (1112, 70338), (1234, 63384), (1668, 46892), (1851, 42256), (2224, 35169), (2468, 31692), (2641, 29616), (3336, 23446), (3702, 21128), (4936, 15846), (5282, 14808), (6672, 11723), (7404, 10564), (7923, 9872)]