15743980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1051}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 38174976

約数和(自身を除く): 22430996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1051, 1070, 1498, 2102, 2140, 2996, 3745, 4204, 5255, 7357, 7490, 10510, 14714, 14980, 21020, 29428, 36785, 73570, 112457, 147140, 224914, 449828, 562285, 787199, 1124570, 1574398, 2249140, 3148796, 3935995, 7871990, 15743980]

約数ペア:

[(1, 15743980), (2, 7871990), (4, 3935995), (5, 3148796), (7, 2249140), (10, 1574398), (14, 1124570), (20, 787199), (28, 562285), (35, 449828), (70, 224914), (107, 147140), (140, 112457), (214, 73570), (428, 36785), (535, 29428), (749, 21020), (1051, 14980), (1070, 14714), (1498, 10510), (2102, 7490), (2140, 7357), (2996, 5255), (3745, 4204)]