815790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 1990656

約数和(自身を除く): 1174866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 383, 426, 710, 766, 1065, 1149, 1915, 2130, 2298, 3830, 5745, 11490, 27193, 54386, 81579, 135965, 163158, 271930, 407895, 815790]

約数ペア:

[(1, 815790), (2, 407895), (3, 271930), (5, 163158), (6, 135965), (10, 81579), (15, 54386), (30, 27193), (71, 11490), (142, 5745), (213, 3830), (355, 2298), (383, 2130), (426, 1915), (710, 1149), (766, 1065)]