78391830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1869

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 128449770

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 139, 165, 278, 330, 417, 695, 834, 1390, 1529, 1709, 2085, 3058, 3418, 4170, 4587, 5127, 7645, 8545, 9174, 10254, 15290, 17090, 18799, 22935, 25635, 37598, 45870, 51270, 56397, 93995, 112794, 187990, 237551, 281985, 475102, 563970, 712653, 1187755, 1425306, 2375510, 2613061, 3563265, 5226122, 7126530, 7839183, 13065305, 15678366, 26130610, 39195915, 78391830]

約数ペア:

[(1, 78391830), (2, 39195915), (3, 26130610), (5, 15678366), (6, 13065305), (10, 7839183), (11, 7126530), (15, 5226122), (22, 3563265), (30, 2613061), (33, 2375510), (55, 1425306), (66, 1187755), (110, 712653), (139, 563970), (165, 475102), (278, 281985), (330, 237551), (417, 187990), (695, 112794), (834, 93995), (1390, 56397), (1529, 51270), (1709, 45870), (2085, 37598), (3058, 25635), (3418, 22935), (4170, 18799), (4587, 17090), (5127, 15290), (7645, 10254), (8545, 9174)]