1603890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 4245696

約数和(自身を除く): 2641806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 251, 355, 426, 502, 639, 710, 753, 1065, 1255, 1278, 1506, 2130, 2259, 2510, 3195, 3765, 4518, 6390, 7530, 11295, 17821, 22590, 35642, 53463, 89105, 106926, 160389, 178210, 267315, 320778, 534630, 801945, 1603890]

約数ペア:

[(1, 1603890), (2, 801945), (3, 534630), (5, 320778), (6, 267315), (9, 178210), (10, 160389), (15, 106926), (18, 89105), (30, 53463), (45, 35642), (71, 22590), (90, 17821), (142, 11295), (213, 7530), (251, 6390), (355, 4518), (426, 3765), (502, 3195), (639, 2510), (710, 2259), (753, 2130), (1065, 1506), (1255, 1278)]