15199780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 33675264

約数和(自身を除く): 18475484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 191, 230, 346, 382, 460, 692, 764, 865, 955, 1730, 1910, 3460, 3820, 3979, 4393, 7958, 8786, 15916, 17572, 19895, 21965, 33043, 39790, 43930, 66086, 79580, 87860, 132172, 165215, 330430, 660860, 759989, 1519978, 3039956, 3799945, 7599890, 15199780]

約数ペア:

[(1, 15199780), (2, 7599890), (4, 3799945), (5, 3039956), (10, 1519978), (20, 759989), (23, 660860), (46, 330430), (92, 165215), (115, 132172), (173, 87860), (191, 79580), (230, 66086), (346, 43930), (382, 39790), (460, 33043), (692, 21965), (764, 19895), (865, 17572), (955, 15916), (1730, 8786), (1910, 7958), (3460, 4393), (3820, 3979)]