15797940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 28654860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1049, 1255, 1506, 2098, 2510, 3012, 3147, 3765, 4196, 5020, 5245, 6294, 7530, 10490, 12588, 15060, 15735, 20980, 31470, 62940, 263299, 526598, 789897, 1053196, 1316495, 1579794, 2632990, 3159588, 3949485, 5265980, 7898970, 15797940]

約数ペア:

[(1, 15797940), (2, 7898970), (3, 5265980), (4, 3949485), (5, 3159588), (6, 2632990), (10, 1579794), (12, 1316495), (15, 1053196), (20, 789897), (30, 526598), (60, 263299), (251, 62940), (502, 31470), (753, 20980), (1004, 15735), (1049, 15060), (1255, 12588), (1506, 10490), (2098, 7530), (2510, 6294), (3012, 5245), (3147, 5020), (3765, 4196)]