668812080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20341}}^1$

素因数の和:20494

約数の個数: 80

約数和(自身を含む): 2088553824

約数和(自身を除く): 1419741744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2740, 3288, 4110, 5480, 6576, 8220, 10960, 16440, 20341, 32880, 40682, 61023, 81364, 101705, 122046, 162728, 203410, 244092, 305115, 325456, 406820, 488184, 610230, 813640, 976368, 1220460, 1627280, 2440920, 2786717, 4881840, 5573434, 8360151, 11146868, 13933585, 16720302, 22293736, 27867170, 33440604, 41800755, 44587472, 55734340, 66881208, 83601510, 111468680, 133762416, 167203020, 222937360, 334406040, 668812080]

約数ペア:

[(1, 668812080), (2, 334406040), (3, 222937360), (4, 167203020), (5, 133762416), (6, 111468680), (8, 83601510), (10, 66881208), (12, 55734340), (15, 44587472), (16, 41800755), (20, 33440604), (24, 27867170), (30, 22293736), (40, 16720302), (48, 13933585), (60, 11146868), (80, 8360151), (120, 5573434), (137, 4881840), (240, 2786717), (274, 2440920), (411, 1627280), (548, 1220460), (685, 976368), (822, 813640), (1096, 610230), (1370, 488184), (1644, 406820), (2055, 325456), (2192, 305115), (2740, 244092), (3288, 203410), (4110, 162728), (5480, 122046), (6576, 101705), (8220, 81364), (10960, 61023), (16440, 40682), (20341, 32880)]