31560720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 98832960

約数和(自身を除く): 67272240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1229, 1284, 1605, 1712, 2140, 2458, 2568, 3210, 3687, 4280, 4916, 5136, 6145, 6420, 7374, 8560, 9832, 12290, 12840, 14748, 18435, 19664, 24580, 25680, 29496, 36870, 49160, 58992, 73740, 98320, 131503, 147480, 263006, 294960, 394509, 526012, 657515, 789018, 1052024, 1315030, 1578036, 1972545, 2104048, 2630060, 3156072, 3945090, 5260120, 6312144, 7890180, 10520240, 15780360, 31560720]

約数ペア:

[(1, 31560720), (2, 15780360), (3, 10520240), (4, 7890180), (5, 6312144), (6, 5260120), (8, 3945090), (10, 3156072), (12, 2630060), (15, 2104048), (16, 1972545), (20, 1578036), (24, 1315030), (30, 1052024), (40, 789018), (48, 657515), (60, 526012), (80, 394509), (107, 294960), (120, 263006), (214, 147480), (240, 131503), (321, 98320), (428, 73740), (535, 58992), (642, 49160), (856, 36870), (1070, 29496), (1229, 25680), (1284, 24580), (1605, 19664), (1712, 18435), (2140, 14748), (2458, 12840), (2568, 12290), (3210, 9832), (3687, 8560), (4280, 7374), (4916, 6420), (5136, 6145)]