28245120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 92240640

約数和(自身を除く): 63995520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 313, 320, 376, 384, 470, 480, 564, 626, 640, 705, 752, 939, 940, 960, 1128, 1252, 1410, 1504, 1565, 1878, 1880, 1920, 2256, 2504, 2820, 3008, 3130, 3756, 3760, 4512, 4695, 5008, 5640, 6016, 6260, 7512, 7520, 9024, 9390, 10016, 11280, 12520, 14711, 15024, 15040, 18048, 18780, 20032, 22560, 25040, 29422, 30048, 30080, 37560, 40064, 44133, 45120, 50080, 58844, 60096, 73555, 75120, 88266, 90240, 100160, 117688, 120192, 147110, 150240, 176532, 200320, 220665, 235376, 294220, 300480, 353064, 441330, 470752, 588440, 600960, 706128, 882660, 941504, 1176880, 1412256, 1765320, 1883008, 2353760, 2824512, 3530640, 4707520, 5649024, 7061280, 9415040, 14122560, 28245120]

約数ペア:

[(1, 28245120), (2, 14122560), (3, 9415040), (4, 7061280), (5, 5649024), (6, 4707520), (8, 3530640), (10, 2824512), (12, 2353760), (15, 1883008), (16, 1765320), (20, 1412256), (24, 1176880), (30, 941504), (32, 882660), (40, 706128), (47, 600960), (48, 588440), (60, 470752), (64, 441330), (80, 353064), (94, 300480), (96, 294220), (120, 235376), (128, 220665), (141, 200320), (160, 176532), (188, 150240), (192, 147110), (235, 120192), (240, 117688), (282, 100160), (313, 90240), (320, 88266), (376, 75120), (384, 73555), (470, 60096), (480, 58844), (564, 50080), (626, 45120), (640, 44133), (705, 40064), (752, 37560), (939, 30080), (940, 30048), (960, 29422), (1128, 25040), (1252, 22560), (1410, 20032), (1504, 18780), (1565, 18048), (1878, 15040), (1880, 15024), (1920, 14711), (2256, 12520), (2504, 11280), (2820, 10016), (3008, 9390), (3130, 9024), (3756, 7520), (3760, 7512), (4512, 6260), (4695, 6016), (5008, 5640)]