72345280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{32297}}^1$

素因数の和:32321

約数の個数: 56

約数和(自身を含む): 196888608

約数和(自身を除く): 124543328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 32297, 64594, 129188, 161485, 226079, 258376, 322970, 452158, 516752, 645940, 904316, 1033504, 1130395, 1291880, 1808632, 2067008, 2260790, 2583760, 3617264, 4521580, 5167520, 7234528, 9043160, 10335040, 14469056, 18086320, 36172640, 72345280]

約数ペア:

[(1, 72345280), (2, 36172640), (4, 18086320), (5, 14469056), (7, 10335040), (8, 9043160), (10, 7234528), (14, 5167520), (16, 4521580), (20, 3617264), (28, 2583760), (32, 2260790), (35, 2067008), (40, 1808632), (56, 1291880), (64, 1130395), (70, 1033504), (80, 904316), (112, 645940), (140, 516752), (160, 452158), (224, 322970), (280, 258376), (320, 226079), (448, 161485), (560, 129188), (1120, 64594), (2240, 32297)]