1611420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 4572288

約数和(自身を除く): 2960868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 251, 321, 428, 502, 535, 642, 753, 1004, 1070, 1255, 1284, 1506, 1605, 2140, 2510, 3012, 3210, 3765, 5020, 6420, 7530, 15060, 26857, 53714, 80571, 107428, 134285, 161142, 268570, 322284, 402855, 537140, 805710, 1611420]

約数ペア:

[(1, 1611420), (2, 805710), (3, 537140), (4, 402855), (5, 322284), (6, 268570), (10, 161142), (12, 134285), (15, 107428), (20, 80571), (30, 53714), (60, 26857), (107, 15060), (214, 7530), (251, 6420), (321, 5020), (428, 3765), (502, 3210), (535, 3012), (642, 2510), (753, 2140), (1004, 1605), (1070, 1506), (1255, 1284)]