25452840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 88277760

約数和(自身を除く): 62824920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 193, 210, 280, 314, 386, 420, 471, 579, 628, 772, 785, 840, 942, 965, 1099, 1158, 1256, 1351, 1544, 1570, 1884, 1930, 2198, 2316, 2355, 2702, 2895, 3140, 3297, 3768, 3860, 4053, 4396, 4632, 4710, 5404, 5495, 5790, 6280, 6594, 6755, 7720, 8106, 8792, 9420, 10808, 10990, 11580, 13188, 13510, 16212, 16485, 18840, 20265, 21980, 23160, 26376, 27020, 30301, 32424, 32970, 40530, 43960, 54040, 60602, 65940, 81060, 90903, 121204, 131880, 151505, 162120, 181806, 212107, 242408, 303010, 363612, 424214, 454515, 606020, 636321, 727224, 848428, 909030, 1060535, 1212040, 1272642, 1696856, 1818060, 2121070, 2545284, 3181605, 3636120, 4242140, 5090568, 6363210, 8484280, 12726420, 25452840]

約数ペア:

[(1, 25452840), (2, 12726420), (3, 8484280), (4, 6363210), (5, 5090568), (6, 4242140), (7, 3636120), (8, 3181605), (10, 2545284), (12, 2121070), (14, 1818060), (15, 1696856), (20, 1272642), (21, 1212040), (24, 1060535), (28, 909030), (30, 848428), (35, 727224), (40, 636321), (42, 606020), (56, 454515), (60, 424214), (70, 363612), (84, 303010), (105, 242408), (120, 212107), (140, 181806), (157, 162120), (168, 151505), (193, 131880), (210, 121204), (280, 90903), (314, 81060), (386, 65940), (420, 60602), (471, 54040), (579, 43960), (628, 40530), (772, 32970), (785, 32424), (840, 30301), (942, 27020), (965, 26376), (1099, 23160), (1158, 21980), (1256, 20265), (1351, 18840), (1544, 16485), (1570, 16212), (1884, 13510), (1930, 13188), (2198, 11580), (2316, 10990), (2355, 10808), (2702, 9420), (2895, 8792), (3140, 8106), (3297, 7720), (3768, 6755), (3860, 6594), (4053, 6280), (4396, 5790), (4632, 5495), (4710, 5404)]