1987001340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{131939}}^1$

素因数の和:132202

約数の個数: 48

約数和(自身を含む): 5585811840

約数和(自身を除く): 3598810500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 5020, 7530, 15060, 131939, 263878, 395817, 527756, 659695, 791634, 1319390, 1583268, 1979085, 2638780, 3958170, 7916340, 33116689, 66233378, 99350067, 132466756, 165583445, 198700134, 331166890, 397400268, 496750335, 662333780, 993500670, 1987001340]

約数ペア:

[(1, 1987001340), (2, 993500670), (3, 662333780), (4, 496750335), (5, 397400268), (6, 331166890), (10, 198700134), (12, 165583445), (15, 132466756), (20, 99350067), (30, 66233378), (60, 33116689), (251, 7916340), (502, 3958170), (753, 2638780), (1004, 1979085), (1255, 1583268), (1506, 1319390), (2510, 791634), (3012, 659695), (3765, 527756), (5020, 395817), (7530, 263878), (15060, 131939)]