161489664020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1\times {\mathrm{572699}}^1$

素因数の和:573344

約数の個数: 48

約数和(自身を含む): 354450902400

約数和(自身を除く): 192961238380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 613, 1226, 2452, 3065, 6130, 12260, 14099, 28198, 56396, 70495, 140990, 281980, 572699, 1145398, 2290796, 2863495, 5726990, 11453980, 13172077, 26344154, 52688308, 65860385, 131720770, 263441540, 351064487, 702128974, 1404257948, 1755322435, 3510644870, 7021289740, 8074483201, 16148966402, 32297932804, 40372416005, 80744832010, 161489664020]

約数ペア:

[(1, 161489664020), (2, 80744832010), (4, 40372416005), (5, 32297932804), (10, 16148966402), (20, 8074483201), (23, 7021289740), (46, 3510644870), (92, 1755322435), (115, 1404257948), (230, 702128974), (460, 351064487), (613, 263441540), (1226, 131720770), (2452, 65860385), (3065, 52688308), (6130, 26344154), (12260, 13172077), (14099, 11453980), (28198, 5726990), (56396, 2863495), (70495, 2290796), (140990, 1145398), (281980, 572699)]