263760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 940416

約数和(自身を除く): 676656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 471, 560, 628, 785, 840, 942, 1099, 1256, 1570, 1680, 1884, 2198, 2355, 2512, 3140, 3297, 3768, 4396, 4710, 5495, 6280, 6594, 7536, 8792, 9420, 10990, 12560, 13188, 16485, 17584, 18840, 21980, 26376, 32970, 37680, 43960, 52752, 65940, 87920, 131880, 263760]

約数ペア:

[(1, 263760), (2, 131880), (3, 87920), (4, 65940), (5, 52752), (6, 43960), (7, 37680), (8, 32970), (10, 26376), (12, 21980), (14, 18840), (15, 17584), (16, 16485), (20, 13188), (21, 12560), (24, 10990), (28, 9420), (30, 8792), (35, 7536), (40, 6594), (42, 6280), (48, 5495), (56, 4710), (60, 4396), (70, 3768), (80, 3297), (84, 3140), (105, 2512), (112, 2355), (120, 2198), (140, 1884), (157, 1680), (168, 1570), (210, 1256), (240, 1099), (280, 942), (314, 840), (336, 785), (420, 628), (471, 560)]