1641540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 3015420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 251, 327, 436, 502, 545, 654, 753, 1004, 1090, 1255, 1308, 1506, 1635, 2180, 2510, 3012, 3270, 3765, 5020, 6540, 7530, 15060, 27359, 54718, 82077, 109436, 136795, 164154, 273590, 328308, 410385, 547180, 820770, 1641540]

約数ペア:

[(1, 1641540), (2, 820770), (3, 547180), (4, 410385), (5, 328308), (6, 273590), (10, 164154), (12, 136795), (15, 109436), (20, 82077), (30, 54718), (60, 27359), (109, 15060), (218, 7530), (251, 6540), (327, 5020), (436, 3765), (502, 3270), (545, 3012), (654, 2510), (753, 2180), (1004, 1635), (1090, 1506), (1255, 1308)]