15978120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2833}}^1$

素因数の和:2894

約数の個数: 64

約数和(自身を含む): 48971520

約数和(自身を除く): 32993400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 2833, 5640, 5666, 8499, 11332, 14165, 16998, 22664, 28330, 33996, 42495, 56660, 67992, 84990, 113320, 133151, 169980, 266302, 339960, 399453, 532604, 665755, 798906, 1065208, 1331510, 1597812, 1997265, 2663020, 3195624, 3994530, 5326040, 7989060, 15978120]

約数ペア:

[(1, 15978120), (2, 7989060), (3, 5326040), (4, 3994530), (5, 3195624), (6, 2663020), (8, 1997265), (10, 1597812), (12, 1331510), (15, 1065208), (20, 798906), (24, 665755), (30, 532604), (40, 399453), (47, 339960), (60, 266302), (94, 169980), (120, 133151), (141, 113320), (188, 84990), (235, 67992), (282, 56660), (376, 42495), (470, 33996), (564, 28330), (705, 22664), (940, 16998), (1128, 14165), (1410, 11332), (1880, 8499), (2820, 5666), (2833, 5640)]