15863560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 38206080

約数和(自身を除く): 22342520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 401, 430, 460, 802, 860, 920, 989, 1604, 1720, 1978, 2005, 3208, 3956, 4010, 4945, 7912, 8020, 9223, 9890, 16040, 17243, 18446, 19780, 34486, 36892, 39560, 46115, 68972, 73784, 86215, 92230, 137944, 172430, 184460, 344860, 368920, 396589, 689720, 793178, 1586356, 1982945, 3172712, 3965890, 7931780, 15863560]

約数ペア:

[(1, 15863560), (2, 7931780), (4, 3965890), (5, 3172712), (8, 1982945), (10, 1586356), (20, 793178), (23, 689720), (40, 396589), (43, 368920), (46, 344860), (86, 184460), (92, 172430), (115, 137944), (172, 92230), (184, 86215), (215, 73784), (230, 68972), (344, 46115), (401, 39560), (430, 36892), (460, 34486), (802, 19780), (860, 18446), (920, 17243), (989, 16040), (1604, 9890), (1720, 9223), (1978, 8020), (2005, 7912), (3208, 4945), (3956, 4010)]